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  • Introduction
    • About Iotellect
    • Copyright Notice
    • Documentation Feedback
  • Platform Overview
    • Low-code Development and DevOps
    • Platform Structure
    • Application Development Process
  • Unified Data Model
    • Contexts
      • Context Masks
      • Visible and Real Context Trees
      • Context Data Replication
    • Data Tables
      • Table Format
      • Editors/Renderers
      • Data Table Smart Copy
      • Building a Data Table From a Parameters List
      • Data Table Timestamps and Quality
    • Variables
      • Common Variables
        • info (Context Information)
        • children (Context Children)
        • variables (Context Variables)
        • functions (Context Functions)
        • events (Context Events)
        • actions (Context Actions)
        • contextStatus (Context Status)
        • activeAlerts (Active Alerts)
        • groupMembership (Group Membership)
        • validity (Validity)
        • templates (Templates)
        • statistics (Statistics)
      • Variables History
      • Variables Performance
    • Functions
      • Common Functions
        • makeCopy (Make Copy)
        • delete (Delete)
        • updateVariable (Update Variable)
      • Functions Performance
    • Events
      • Event Instance Parameters
      • Event Levels
      • Event Listeners
      • Event History
      • Event Acknowledgement
      • Event Enrichment
      • Event Lifecycle
      • Common Events
        • info (Information)
        • childAdded (Child Added)
        • childRemoved (Child Removed)
        • visibleChildAdded (Visible Child Added)
        • visibleChildRemoved (Visible Child Removed)
        • variableAdded (Variable Added)
        • variableRemoved (Variable Removed)
        • functionAdded (Function Added)
        • functionRemoved (Function Removed)
        • eventAdded (Event Added)
        • eventRemoved (Event Removed)
        • actionAdded (Action Added)
        • actionRemoved (Action Removed)
        • actionStateChanged (Action State Changed)
        • infoChanged (Info Changed)
        • contextStatusChanged (Status Changed)
        • updated (Variable Updated)
        • change (Variable Changed)
        • evaluation (Evaluation)
        • evaluationError (Evaluation Error)
      • Events Performance
    • Actions
      • UI Procedures
        • Confirm
        • Browse
        • Edit Code
        • Edit Dashboard
        • Edit Data
        • Edit Expression
        • Edit Properties
        • Edit Text
        • Select Entities
        • Show Dashboard
        • Show Differences
        • Show Error
        • Show Event Log
        • Show Message
        • Show Report
        • Show System Tree
        • Show Guide
      • Action Execution Modes
        • Interactive Actions
        • Headless Actions
      • Action Grouping
      • Drag and Drop Actions
      • Variable-Related Actions
      • Event-Related Actions
      • Execution Parameters
      • Common Actions
        • Call Function
        • Configure
        • Create
        • Create From Template
        • Delete
        • Edit Context Permissions
        • Export
        • Import
        • Make Copy
        • Monitor Related Events
        • Search/Filter
        • Replicate
        • Replicate To Children
        • View Status
        • Edit Additional Properties
  • Expressions
    • Syntax
    • Data Types and Type Conversion
    • Evaluation Environment
    • Literals
    • Operators
    • References
      • Standard References
      • Environment References
    • Functions
      • Number Processing Functions
      • String Processing Functions
      • Date/Time Processing Functions
      • Data Table Processing Functions
      • Color Processing Functions
      • Context-related Functions
      • Type Conversion Functions
      • Other Functions
    • Comments
    • Expression Examples
    • Expression Debugging
    • Expressions Security
    • Expressions Performance
  • Deployment and Administration
    • Iotellect Server
    • Licensing
      • Centralized Encryption Management
      • License Server
    • Requirements
    • Branches and Versions
    • Installation and Upgrading
      • Installation
        • Installing on ARM-based Linux
        • Running in a Docker Container
        • Silent Installer
      • Upgrading
        • Remote Upgrade
      • Uninstallation
      • Migration Guide
      • Moving Iotellect Server Installation
    • Startup and Shutdown
      • Operating System Service Mode
      • Manual Startup
      • Shutting Down The Server
      • Java VM Properties Files
      • Command Line Parameters
      • Startup Scripts
      • JSSE Properties
    • Logging
      • Logging Configuration File
      • Logging Categories
      • Logging Levels
      • Logging Framework Documentation Sources
    • Safe Mode
    • Maintenance Mode
    • System Tray Menu
    • Data Backup and Restoration
  • Configuration and Troubleshooting
    • Configuration
      • Server Configurator
      • UI-based Configuration
      • File-based Configuration
      • Global Configuration Options
        • General Settings
        • Database
          • NoSQL
          • Relational
          • Key-Value
        • Failover Cluster
        • License Server
        • Horizontal Cluster
        • Actions
        • Event Processing
          • Event Processing Rules
          • Custom Event Writers
          • Event Storages
          • Event Storages Policy
        • Security
          • Password Settings
          • Default User Permissions
          • Additional Permissions for New Users
          • Anonymous Permissions
          • Authentication
          • Self-Registration Settings
          • SSL/TLS Settings
          • Client Certificates
          • Trusted CA Root Certificates
          • Encryption
        • Devices
          • Default Synchronization Options
          • Statistics
          • Virtual Device Networks
          • Devices Global Configuration
        • Active Plugins
        • Store
        • Logger
        • Validators
    • Products, Plugins and Resources
    • Plugins
    • Resources
    • Server Status Monitoring
    • Dealing with Memory Usage
    • Platform and Application Customization
    • Troubleshooting
      • Iotellect Server Installation Problems
      • Iotellect Server Startup Problems
      • Iotellect Server Runtime Problems
        • Iotellect Server Not Responding
      • Iotellect Client Runtime Problems
      • Performance Optimization
    • Performance Optimization
      • Memory Usage Optimization
      • Disk Usage Optimization
      • Bandwidth Usage Optimization
  • Web UI
    • Requirements
    • Accessing Web UI
    • Exposing Applications
    • Login and Logout
      • Simple Mode
      • Customize Login Page
    • UI Overview
      • Toolbar
      • Alert Popups
    • Dashboards
      • Data Model
      • Instances
      • Lifecycle
      • Caching
      • Parameters
      • Dashboard Templates
    • URLs and Routing
    • Bindings
      • Binding Target
      • Binding Expression
      • Binding Activator
      • Binding Condition
      • Binding Performance
      • Binding Examples
      • Web UI Special References
    • Components
      • Properties Editor
      • Entity Selector
      • Component Properties
        • Common Component Properties
          • Basic Properties
          • Advanced Properties
          • Container Properties
          • Styles
          • Preloader
          • Events
          • Bindings
          • Tooltip
          • Kebab Menu
        • Common Container Properties
      • Component Events
        • Common Component Events
        • Common Container Events
      • Component Functions
      • Containers
        • Container Layouts
          • Grid Layout
          • Absolute Layout
          • Dockable Layout
          • Component Location
        • Root Panel
          • Root Panel Custom Properties
        • Panel
        • Drawer
        • Tabbed Panel
          • Tab
        • Steps Panel
          • Step
        • Sub-Dashboard
        • Carousel
        • Implant
        • Implant and Sub-Dashboard Comparison
      • Navigation
        • Menu
        • Breadcrumbs
        • Map
      • Data Display
        • System Tree
        • Custom Tree
        • Label
        • Image
        • Progress Bar
        • Data Table
          • Shared Properties
          • Shared Functions
          • Shared Events
          • Editing Data
          • Context Menu
          • Sorting and Filtering
          • Data Export/Import
          • Report Creation
        • Class Data Table
        • Timer
        • Event Log
          • Current Events
          • Event History
          • Context Menu
          • Acknowledging Events
          • Exporting Events
        • HTML Snippet
          • WYSIWYG Editor
        • Vector Drawing
          • Creating Dynamic Vector Images
          • SVG Editor
          • Element Properties
        • Class Field List
        • Context List
        • Graph
          • Topology Properties
          • Node and Link Styling
          • Custom Topology Example
      • Input Controls
        • Text Field
        • Text Area
        • Number Field
        • Dropdown List
        • Dropdown Tree
        • Dropdown Menu
        • Button
        • Button Group
        • Date Time Picker
        • Time Picker
        • Toggle Button
        • Check Box
        • Check Box Group
        • Uploader
        • Radio Button
        • Slider
      • Charts
        • Building Chart Dataset
          • Custom Data
          • Variable History
            • Series Propagation
            • Series Types
            • Statistics-based Series
          • Event History
        • Common Chart Properties
          • Legend
          • Zoom
          • X and Y Axes
          • Coordinate Grid
          • Tooltip
          • Visualization
            • Point
            • Bar
            • Line
            • Area
        • Bar Chart
        • Line Chart
        • Pie Chart
        • Candlestick Chart
        • Bubble Chart
        • Gantt Chart
        • Polar Chart
        • Spider Chart
        • Area Chart
        • Interval Chart
        • Interval Bar Chart
        • Deviation Chart
        • Statistical Chart
        • Gauge
        • Linear Gauge
        • Liquid Gauge
      • Custom UI Components
        • UI Component Properties
        • UI Component Variables
        • UI Component Functions
        • UI Component Events
        • UI Component Dependencies
    • Web UI Builder
      • Toolbar
      • Work Area
      • Component Properties Editor
      • Component Palette
      • Component Tree
      • Editing Component Layout
        • Editing Grid Layout
        • Editing Absolute Layout
        • Editing Dockable Layout
      • Expression Builder
      • Previewing Dashboards
      • UI Operations Logging
    • Styling the UI
      • Component Properties Editor
        • Container Properties
        • Element Style
        • CSS Editor
      • Useful Browser Tools
      • Web Components Structure
        • Container Part of a Component
        • Element Part of a Component
        • Panels Markup
        • Tooltips
        • Toolbars
        • Pagination
      • Applying CSS to Components
        • Adding Plain CSS Properties
        • Using Selectors
        • Custom Сlasses Property
        • Interaction State Styles
        • Using Pseudo-classes
        • Using Pseudo-elements
        • Using CSS Variables
        • Troubleshooting CSS
        • Custom CSS Best Practices
      • Using Media Library
      • Custom Fonts
        • Using Font-face Rule
        • Using Font-family Property
      • Animated Style Transitions
        • Using Transition Property
        • Using Keyframes Rule
      • Responsive Styles
        • Using Resolution Breakpoints
        • Using Media Queries
      • Global Styles
        • Writing Styles to the Root Panel
        • Plugging in External CSS Files
      • Style Properties and Bindings
      • Styles Backward Compatibility
    • Responsive Design
    • Performance
    • Settings
    • Embedded Web Server
      • Web Control Center
      • Web Server Configuration
      • Standalone Web Server
      • Installing an SSL Certificate for Web Applications
  • Desktop Client Application
    • Unified Operations Console
    • Requirements
    • Installation
    • Uninstallation
    • Startup and Shutdown
      • Command Line Parameters
      • Simple Mode
      • Steady State Mode
      • Admin Mode
      • Specifying Java VM Properties
    • Workspaces and Server Connections
    • Main Window
      • Main Menu
      • Status Bar
      • Managing Dockable Windows
    • System Tree
      • Context Menu
      • Drag and Drop Operations
      • Copy and Paste Operations
      • Node Reordering
      • Node Searching and Filtering
      • Custom Nodes
        • Workspace Configuration Node
        • Servers Node
        • Server Node
      • Local Server Auto-connection
    • Properties Editor
    • Data Table Editor
      • Data Sources
      • Modes
      • Toolbar
      • Editing Data
      • Context Menu
      • Sorting and Filtering
      • Row Grouping
      • Data Export/Import
      • Report Creation
      • Editing Bindings
    • Event Log
      • Current Events
      • Event History
      • Context Menu
      • Acknowledging Events
      • Exporting Events
    • Entity Selector
    • Expression Builder
    • Error Dialogs
    • Text Editor
    • Code Editor
    • Trackers
    • Favourites
    • Report Viewer
    • Report Editor
      • Custom PDF Fonts
    • Logging
    • Widget editor
      • Main Menu
      • Toolbar
      • Work Form
      • Resources Window
      • Entity Selector
      • Component Palette
      • Component Properties
      • Editing Widget Layout
        • Editing Grid Layout
        • Editing Absolute Layout
        • Drawing Graphical Primitives
      • Managing Bindings
      • Drag and Drop Operations
      • Standalone Version
    • Iotellect IDE
      • Debugger
      • Work Form
      • Variables Area
      • Component Palette
      • Imports
      • Generated Code
      • Console
      • Toolbar
      • Actions
      • Program Configuration
      • Components
        • Components Properties
          • Execution Order
          • Expression
        • FBD Components
          • Input
          • Output
          • Block
          • Jump
          • Return
          • Label
        • SFC Components
          • Step
          • Transition
          • Branch
          • Jump
        • LD components
          • Power Rail
          • Branch
          • Block
          • Return
          • Jump
          • Normally Open Contact
          • Normally Closed Contact
          • Positive Transition-Sensing Contact
          • Negative Transition-Sensing Contact
          • Coil
          • Negated Coil
          • Positive Transition-Sensing Coil
          • Negative Transition-Sensing Coil
          • Set Coil
          • Reset Coil
    • Device Browser
    • Interactive Guide
    • Query Executor Widget
    • Desktop Dashboards
      • Dashboard Elements
      • Dashboard Layouts
      • Dashboard Properties Table
      • Window Location
  • Security and Access Control
    • Users
      • User Account Management
      • Default Administrator Account
      • Default Operator Account
      • Normal and Role-based Users
      • User Account Configuration
        • Properties
        • Account Settings
        • Resources
        • Permissions
        • Role-Based Permissions
        • User Photo
        • User Interface
        • Alerts
      • User Account Status
      • Resetting User Account Password
      • Suspending User Accounts
      • User Self-Registration
      • Users in Distributed Architecture
    • Role-based Access Control
      • Permission Levels
      • Default Context Permission Level
      • Permissions Table
        • Default Permissions Table
      • Permission Checking
      • External Authentication
        • LDAP (Active Directory) Authentication
        • OAuth
          • Single Sign On with OAuth
        • Kerberos
      • Authentication and Authorization Sequence
    • Role-Based Permissions
    • Third-party System Credentials Security
  • Connectivity and Data Acquisition
    • Devices
      • Device Metadata
      • Device Assets
      • Device Variables (Settings)
        • Device Snapshots (Settings Cache)
        • Settings Synchronization Options
        • Settings Synchronization Status
        • Device Setting Statistics
        • Master Values of Device Settings
        • Variable Value Timestamps and Quality
      • Device Functions (Operations)
      • Device Events (Notifications)
      • Generic Device Properties
      • Synchronization
      • Device Status
      • Device Location Tracking
      • Device Performance
      • Virtual Device Networks
      • Event to Variable Conversion
      • Event-Based Variables
    • Device Drivers
      • Asterisk
      • Agent
      • Avatar
      • External Application/Script
      • CORBA
      • BACnet
      • CoAP
      • CWMP
      • DLMS/COSEM
      • DNP3
      • Ethernet/IP
      • Flexible Driver
        • Outgoing and Incoming Device Connections
        • Operating With Data Streams
        • Driver Configuration Process
        • Incoming Data Stream Handling
        • Asynchronous Command Processing
        • Synchronous Reply Processing
        • Working with Metadata
        • Manual Command Exchange
        • Debugging Device Communications
      • Graph Database
      • IPMI
      • IEC-104
      • IEC-104 Server
      • HTTP/HTTPS
      • JMX
      • Kafka
      • Local Agent
      • Local File
      • Local Folder
      • Local System
      • Message Stream
      • Meter Bus (M-Bus)
      • Modbus
      • Modem
      • MQTT
      • Network Host
        • Ping Monitoring
          • Ping Settings
          • Ping Monitoring Results
        • SNMP Monitoring
        • Generic TCP Service Monitoring
          • Generic TCP Service Settings
          • Generic TCP Service Monitoring Results
          • Generic TCP Service Operations
        • Generic UDP Service Monitoring
          • Generic UDP Service Settings
          • Generic UDP Service Monitoring Results
        • HTTP Server Monitoring
        • DNS Server Monitoring
          • DNS Service Settings
          • DNS Monitoring Results
        • POP3 Server Monitoring
          • POP3 Service Settings
          • POP3 Monitoring Results
        • IMAP Server Monitoring
          • IMAP Service Settings
          • IMAP Monitoring Results
        • SMTP Server Monitoring
          • SMTP Service Settings
          • SMTP Monitoring Results
        • E-mail Round-Trip Monitoring
          • E-mail Round-Trip Service Settings
          • E-mail Round-Trip Monitoring Results
        • FTP Server Monitoring
          • FTP Service Settings
          • FTP Monitoring Results
        • Traceroute Monitoring
          • Traceroute Service Settings
          • Traceroute Monitoring Results
        • SSH Server Monitoring
          • SSH Service Settings
          • SSH Monitoring Results
          • SSH Operations
        • DHCP Monitoring
          • DHCP Service Settings
          • DHCP Monitoring Results
        • LDAP Monitoring
          • LDAP Service Settings
          • LDAP Monitoring Results
          • LDAP Operations
        • Radius Monitoring
          • Radius Service Settings
          • Radius Monitoring Results
        • WMI Monitoring
        • Expect Scripts
      • NMEA 0183
      • Omron FINS
      • OPC
      • OPC UA
      • OPC UA Server
      • Siemens S7
      • SIP
      • SMB/CIFS (Shared Resource Monitoring)
      • SMI-S
      • SMPP
      • SNMP
        • SNMP Polling
          • SNMP Polling Settings
          • SNMP Polling Results
          • Advanced SNMP Table Polling Settings (Device)
          • SNMP Table Read Status
        • SNMP Notifications Monitoring
          • SNMP Notifications Monitoring Global Configuration
          • SNMP Notifications Sources Automatic Discovery
        • SNMP Global Settings
          • MIB Files Directory
          • SNMP User Table
          • Advanced SNMP Table Polling (Driver)
      • SOAP (Web Services)
      • SQL Database
      • Satellite Vehicle Tracker
      • TPS (Iotellect Project System)
      • Virtual Device
      • VMware
      • Web Transaction
      • WebSphere MQ
      • WMI
        • Configuring Remote Access to WMI
        • Mass-enabling Remote Access to WMI
          • WMI Configuration Script
          • WMI Network Scanning
      • XMPP
    • Agents
      • Generic Information About Agent
      • Agent Core Concepts
      • Representation Of Devices In Agent
      • Event Generation
      • Agent Contexts
      • Communications Between Agent and Iotellect Server
    • Edge Gateways
    • OPC Agent (Native OPC Client)
    • OPC Server
      • Technical Specification
      • Configuring the Server
  • Data Storage
    • Storage Facilities
      • NoSQL Database
        • NoSQL Database Schema and Interaction
        • NoSQL Storage Configuration
        • Working with External Cassandra Database
        • Working with Embedded Cassandra Database
        • Advanced Cassandra Actions
      • Relational Database
        • Switching To Another Database Engine
          • Switching Database To MySQL
          • Switching Database To Microsoft SQL Server
          • Switching Database To Oracle
          • Switching Database To PostgreSQL
          • Switching Database To Firebird
        • Database Converter
        • Database Schema and Interaction
        • Database Performance Tuning
        • Database Failover
          • Iotellect-Based Database Replication
            • Database Cluster Configuration File
          • Native Database Replication
          • Sharing Single Database
      • File-based Storage
      • Key-Value Database
    • Statistics
      • Statistics Channel Properties
        • Working With Keys
        • Channel Types
      • Data Processing Sequence
      • Charting Statistical Data
      • Statistics Configuration Examples
      • RRD Technology
        • Rates, Normalization and Consolidation
      • Server-side vs Device-side Aggregation
    • Granulation
  • Data Processing and Analytics
    • Bindings
      • Binding Properties
      • Server Bindings
        • Binding Target
        • Binding Expression
        • Binding Activator
        • Binding Condition
      • Data Table Bindings
      • Bindings Performance
    • Working with Historical Events/Values
      • Configuring History Storage
      • Configuring History Aggregation
      • Acquiring Raw History
      • Acquiring Aggregated History
    • Resource Validity
      • Validity Expression
      • Validity Update Rules
    • Groups
      • Managing Group Members
      • Group Types
      • Batch Member Operations
      • Dynamic Groups
      • Group Status
      • Member Properties Replication
      • Group Member Context Masks
      • Group Configuration
        • Group Properties
        • Group Status
        • Replication Options
        • Location
        • Topology
      • Groups Security
      • Groups Performance
      • Master Values of Member Properties
      • Groups in Distributed Architecture
    • Event Management
      • Event Filtering
      • Event Aggregation
      • Event Masking
      • Event Correlation
      • Root Cause Analysis
    • Event Filters
      • Filter Expressions
      • Event Highlighting
      • Event Filter Configuration
        • Filter Properties
        • Filter Rules
        • Primary Visible Fields
        • Additional Visible Fields
        • Custom Highlighting
        • History Browser Settings
      • Parameterized Filters
      • Build-In Filters
      • Event Filters in Distributed Architecture
    • Event Correlators
      • Event Correlators Plugin
      • Event Correlator Scripts
    • Alerts
      • Variable Triggers
      • Event Triggers
      • Alert Event
      • Notifications
      • Corrective Actions
        • Action Parameter Processing
      • Alert Configuration
        • Alert Properties
        • Event Triggers
        • Variable Triggers
        • Notification Settings
        • Escalation Settings
        • Automatic Corrective Actions
        • Interactive Corrective Actions
      • Alert States
      • Alert Lifecycle
      • Active Instances
      • Pending Instances
      • Alert Escalation
      • Alert Acknowledgment
      • Alert Security
      • Alert Performance
      • Alert Examples
      • Alerts in Distributed Architecture
    • Models
      • Model Types
      • Model Lifecycle
      • Model Rules
        • Referring Rule Sets
        • Rule Set Types
          • Sequential Rule Sets
          • Dependent Rule Sets
      • Model Bindings
      • Using Instantiable Models
      • Model Configuration
        • Model Properties
        • Model Variables
        • Model Functions
        • Model Events
        • Rule Sets
        • Bindings
        • Statistics Channels
        • Granulation
      • Model Default Context
      • Models Security
      • Models Performance
    • Scheduled Jobs
      • Job Triggers
      • Action Parameter Processing
      • Job Configuration
        • Job Properties
        • Simple Schedule
        • Advanced Schedule
      • Jobs Security
      • Jobs Performance
    • Queries
      • Context References
      • Field References
      • Query Configuration
      • Debugging Queries
      • Editable Query Results
      • Parameterized Queries
      • Queries Performance
      • Query Examples
      • Query Language Syntax
        • Query Language Functions
    • Machine Learning
      • Stages of Operation
      • Algorithms
      • Arguments of Trainable Unit Functions
      • Trainable Unit Configuration
        • Trainable Unit Properties
        • Algorithm Hyperparameters
        • Internal Filters
        • Internal Filter Parameters
    • Scripts
      • Script Configuration
      • Java Scripts
      • R Scripts
      • Python Scripts
        • Importing Objects from Python Scripts
      • Using Scripts In Expressions
      • Script Security
    • Classes
      • Fields
      • Views
      • Relations
      • Life Cycles
      • Instance Filters
      • Permissions
      • Bindings
      • Class Configuration
        • Class Properties
        • Fields
        • Many To Many Relations
        • Life Cycles
        • Views
        • Permissions
        • Bindings
    • Workflows
      • Workflow Configuration
        • Workflow Properties
      • Workflow Lifecycle
      • Blocks
        • Input Blocks
          • Startup
          • Event
          • Timer
        • Function Blocks
          • Expression
          • Function
          • UI Procedure
          • Action
          • Script
        • Control Flow Blocks
          • If
          • Switch
          • Catch
          • Fork
          • Exit
        • Connector Properties
      • Workflow Analysis
      • Workflow Performance
      • Workflow Security
    • Dealing with Time Zones
  • Data Visualization
    • Dashboards
      • Dashboard Types
      • Opening Dashboards
      • Dashboard Configuration
        • Dashboard Properties
        • Dashboard Elements
        • Additional HTTP Headers
        • Additional Content
      • Dashboards Security
      • Web Dashboards
      • Desktop Dashboards
    • Reports
      • Source Data Expression
      • Report Template
      • Report Template Generation
      • Report Types
      • Launching Reports
      • Viewing Reports
      • Report Configuration
        • Report Properties
        • Additional Report Parameters
        • Subreports
        • Resources
      • Parameterized Reports
      • Reports Security
      • Reports Performance
      • Built-in Reports
    • Auto Run
      • Auto Run Action Configuration
      • Auto Run in Distributed Architecture
    • Widgets
      • Creating Widgets
      • Widget Template
      • Widget Types
      • Widget Default Context
      • Widget Configuration
      • Widget Launching
        • Widget Input Parameters
        • Widget Execution
      • Widget Data Model
      • Widget Layout
        • Grid Layout
        • Absolute Layout
      • Components
        • Label
        • Text Field
        • Password Field
        • Formatted Text Field
        • List
        • Text Area
        • HTML Area
        • Button
        • Toggle Button
        • Radio Button
        • Check Box
        • Combo Box
        • Date/Time Picker
        • Data Table Editor
        • Event Log
        • System Tree
        • Slider
        • Range Slider
        • Spinner
        • Progress Bar
        • Image
        • Vector Drawing
        • Video Player
        • Meter
        • Compass
        • Map
          • Map Layer
          • Using Offline Maps
          • Device Images
        • Device
        • Graph
        • LED Display
        • Button Group
      • Containers
        • Root Panel
        • Panel
        • Tabbed Panel
        • Split Panel
        • Layered Panel
        • Subwidget
      • Charts
        • Building Chart Dataset
          • Custom Data
          • Variables-based Charts
            • Variable Series Propagation
            • Variable Series Types
            • Statistics-Based and Granules-Based Series
          • Events-based Charts
          • Dependent Charts
          • Trending
        • Debugging Charts
        • Category Charts
          • Line Chart
          • Area Chart
          • Bar Chart
          • Interval Bar Chart
          • Statistical Chart
          • Gantt Chart
          • Mixed Category Chart
          • Combined Domain Category Chart
          • Combined Range Category Chart
        • XY Charts
          • XY Line Chart
          • XY Area Chart
          • XY Bar Chart
          • Interval Chart
          • Error Chart
          • Deviation Chart
          • Vector Chart
          • Bubble Chart
          • Financial Chart
          • Block Chart
          • Mixed XY Chart
          • Combined Domain XY Chart
          • Combined Range XY Chart
        • Other Charts
          • Spider Chart
          • Polar Chart
          • Pie Chart
          • Ring Chart
        • Composite Charts
        • Chart Common Properties
          • Axis
            • Category Axis
              • Extended Category Axis
            • Value Axis
              • Number Axis
              • Date Axis
              • Period Axis
              • Logarithmic Axis
              • Symbol Axis
          • Block Frame
          • Image Subtitle
          • Item Label Position
          • Legend
            • Legend Item
          • Marker
            • Category Marker
            • Value Marker
            • Interval Marker
          • Rectangle Insets
          • Title
        • Chart Common Events
        • Chart Plots
          • Category Plot
            • Line Annotation
            • Text Annotation
            • Pointer Annotation
            • Item Label Generator
            • Tool Tip Generator
          • XY Plot
            • Box Annotation
            • Data Image Annotation
            • Image Annotation
            • Item Label Generator
            • Legend Annotation
            • Line Annotation
            • Pointer Annotation
            • Polygon Annotation
            • Shape Annotation
            • Text Annotation
            • Title Annotation
            • Tool Tip Generator
          • Pie Plot
        • Chart Renderers
          • Category Renderer
            • Category Bar Renderer
            • Category Line Renderer
          • XY Renderer
            • XY Line Renderer
      • Gauges
        • Simple Gauge
        • Simple Arc Gauge
        • Radial Gauge
        • Radial Bargraph Gauge
        • Arc Gauge
        • Half-Round Gauge
        • Quarter-Round Gauge
        • Linear Gauge
        • Linear Bargraph Gauge
        • Counter Gauge
        • Gauge Common Properties
          • Radial Gauge Common Properties
      • Graphical Primitives
        • Polyline
        • Polygon
        • Rectangle
        • Ellipse
        • Arrow
      • Connectors
      • Component Properties
        • Custom Properties
        • Border
        • Font
        • Paint
        • Stroke
        • Shape
        • Pin Points
      • Component Functions
      • Component Events
        • Mouse Event
        • Keyboard Event
      • Bindings
        • Binding Target
        • Binding Expression
        • Binding Activator
        • Binding Condition
        • Binding Performance
        • Binding Examples
      • Topology Visualization
      • Widget Scripts
      • Widget Event Log
      • Widgets Security
      • Widgets Performance
      • Widget Examples
      • Moving Widgets between Servers
      • Widget Player
      • Web Widget Player
      • Device Maps
      • Touchscreen Support
  • Application Deployment and DevOps
    • Applications
      • Resource Packaging
      • Application Configuration
        • Properties
        • Resources
        • Localization
        • Context Variables
        • Dependencies
        • Additional Export / Import Rules
    • Application Store
      • Publishing Modules and Solutions
    • Failover Cluster
      • Iotellect Server Failover
    • Distributed Operations
      • Distributed Architecture Concepts
      • Distributed Architecture Configuration
        • Configuring Providers
        • Configuring Consumers
      • Distributed Server Status
      • Access Control in Distributed Environment
    • Architecture Planning
  • Platform Extension and Integration
    • Iotellect SDK
      • Server API
      • Error Reporting
      • Plugin SDK
        • Plugin Configuration
        • Plugin Descriptor
        • Plugin Archive
        • Driver Development Kit (DDK)
          • Implementing a Driver
          • Working with Device Assets
          • Synchronization Sequence
          • Managing Incoming Device Connections
          • Handling Asynchronous Variable Updates
          • Standard Driver Toolkit
        • Context Plugins
          • Hooking Up to the Server Context Tree
          • Implementing New Contexts
          • Adding Resources to Plugins
        • Persistence Plugins
        • External Authentication Plugins
      • Agent SDK
        • Implementing a Java Agent
      • Widget Component SDK
        • Widget Component Implementation
      • Web Application SDK
        • Web Application Implementing
    • Development Guide
      • Basic Concepts
      • Essential Classes and Interfaces
      • Finding and Accessing Arbitrary Data
      • Logging
      • Working with Data Tables
        • Data Table Implementations
        • Creation
        • Manipulation
      • Working with Contexts
        • Manipulating Variables
        • Calling Functions
        • Listening and Processing Events
      • Declaring Variables, Functions, Events and Actions
        • Defining and Implementing Variables
        • Defining and Implementing Functions
        • Defining and Implementing Events
        • Defining and Implementing Actions
      • Working with Expressions
      • Dealing with Access Permissions
      • Iotellect Server Lifecycle
        • Server Startup
        • Server Shutdown
      • Working in Distributed Architecture
      • Advanced Topics
        • Working with Bindings
        • Iotellect Protocol Communications
        • Format Caching
        • Executing Actions Programmatically
    • .NET API
    • C/C++ API
    • JavaScript/TypeScript API
    • HTTP/HTTPS-based Communications
      • REST/HTTP API
        • Configuring REST API
        • Accessing REST API
        • Authenticating
        • STOMP API
        • REST API Reference
          • Auth
          • Refresh
          • Evaluate
          • Context
          • Variables
          • Variable (GET)
          • Variable (PUT)
          • Variable (PATCH)
          • Events
          • Functions
          • Function
      • HTTP Server
        • HTTP Server Configuration
        • HTTP Server Parameters
        • HTTP Server Examples
      • SOAP Web Service
        • Accessing Web Service
        • Web Service Functions
        • Web Service Examples
  • Advanced Functions
    • Sessions and Session Variables
    • Unified Search
    • Dynamic DNS
      • Dynamic DNS Configuration
      • Dynamic DNS Context Reference
    • E-Mail Messages
      • Email Plugin Properties
      • Advanced Mail Settings
      • E-mail Context Reference
    • SMS Messages
      • SMS Sending
      • Advanced SMS Settings
      • SMS Context Reference
    • Geo-Fences
      • Geo-Fence Editor
      • Geo-fence Context Reference
    • Parameterization Engine
    • Enabling Serial Communications
    • Net Admin
      • Net Admin and Startup Script Command Reference
    • Storage Context
    • Media/Content Library
    • Horizontal Cluster
      • Architecture
        • Cluster Coordinator
        • Primary Nodes
        • Application Servers
        • Login Servers
        • Tenants and Permissions
        • Storage Facility
      • Cluster Coordinator Configuration
        • Cluster Coordinator
        • Primary Nodes
        • Application Servers
        • Allocation Rules
        • Primary Node Storage Configuration
      • Cluster Coordinator Context Reference
      • Configuration Overview
    • Application Structure Discovery
  • Context Reference
    • Administration
    • Aggregation
    • Alerts
    • Alert
    • Applications
    • Application
    • Auto Run
    • Auto Run Action
    • Classes
    • Class
    • Common Data
    • Common Data Table
    • Config
    • Dashboards
    • Dashboard
    • Devices
    • Device
    • Drivers/Plugins Configuration
    • Driver/Plugin Configuration
    • Event Filters
    • Event Filter
    • Events
    • Event Correlators
    • Event Correlator
    • Favourites
    • Favourite
    • Groups
    • Group
    • Machine Learning
    • Models
    • Model
    • Queries
    • Query
    • Reports
    • Report
    • Roles
    • Role
    • Root Context
    • Scheduled Jobs
    • Scheduled Job
    • Scripts
    • Script
    • Segments
    • Segment
    • Structure
    • Trackers
    • Tracker
    • Trainable Unit
    • UI Components
    • UI Component
    • Users
    • User
    • Utilities
    • Widgets
    • Widget
    • Workflows
    • Workflow
  • Tutorials
    • End-to-End IoT Application Development
      • Describing the Application
      • Planning and High-Level Design
      • Implementing Data Models
      • Setting up Source Control
      • User Interface Development
      • Developing Operator Dashboards
        • Creating Dashboards
        • Adding Device Data to Dashboard
        • Styling Dashboard Components
      • Making Predictions with the Machine Learning Module
      • Setting up an External Cassandra Instance
    • Copying Objects Between User Accounts
    • Granting One User Access to Objects of Another User
    • Creating a Dashboard to Monitor a Device
    • Manipulating SVG Images
    • Monitoring Device Parameters Using a Chart
    • Building a Device Status Report
    • Scheduled Report Emailing
    • Adding Custom Properties
    • Using Resource and Device Templates
    • Keeping History of Object Changes
    • Scheduling Device Downtime
    • Selecting and Processing Events
    • Creating Consumption Reports
    • Predicting SLA Breakdowns
    • Intelligent Baseline Alerts
    • Using Sub-Dashboards
    • Using Classes to Manage Databases
    • Storing History to External Database
    • Using Custom Images on Maps
    • Multi-tenant Access Control
    • Kafka Integration
    • RabbitMQ Integration
    • Creating a Web Dashboard Kiosk
    • Flexible Driver Tutorial (Incoming Data)
    • Containers with Dynamic Content
    • Configuring Servers for Active-Active Failover
    • Implanting Dashboards
    • How to Subscribe to an Event Using STOMP
  • Low Code Development Best Practices
    • General Best Practices
    • Naming Conventions
    • Project Management
    • Efficient and Readable Code
    • Documentation
  • Iotellect-based Products
    • Network Management and Monitoring
      • Getting Started
        • Iotellect Network Manager Installation
        • Configuring
        • Monitoring
        • Managing
      • Iotellect Network Manager Basics
        • Network Management Concepts
          • Management Subjects
          • Management Tasks
          • Management Participants
          • Management Interactions
        • Iotellect Network Manager Architecture
        • Metrics
          • Availability And Operability Metrics
          • Performance Metrics
        • Data Processing
        • Protocols And Technologies
        • Network Management Tools
        • IPv6 Compliance
      • Configuring Iotellect Network Manager
        • Configuring Drivers and Plugins
          • SNMP Configuration
          • Discovery Configuration
          • Syslog Configuration
          • NetFlow Configuration
        • Configuring/Administering Devices and Services
          • Manually Adding and Configuring Devices And Services
            • Network Host Device Configuration
            • Local File Configuration
            • Local Folder Configuration
            • SQL Database Configuration
            • JMX Configuration
          • Discovering Devices and Services
          • Administering Devices and Services
        • Administering Iotellect Network Manager Tools
        • Setup Monitoring Profile Action
        • Setup Monitoring Action
        • Configuring Environment
          • Configuring SNMP Devices
          • Configuring WMI Devices
          • Receiving Windows Log Events
          • TCP/IP Limitations of Desktop Versions of Windows
      • Network Discovery
        • Discovery Process
          • Search Stage of Discovery
            • Service Selection and Setup
            • Host Addresses Specification
            • Discovery Tuning
            • Scanning
          • Result Processing
            • Discovery Results Review
            • Applying Discovery Results
            • Discovery Status Report
        • Using Discovery
          • Interactive Multiple-Device Discovery
          • Interactive Single-Device Discovery
          • Headless Multiple- and Single-Device Discovery
          • Rediscovering Device Services
          • Automatic Discovery
        • Default Discovery Settings
      • Network Visualization
        • Network Mapping
        • Network Topology Monitoring
          • Network Topology Discovery
          • Network Topology Discovery Algorithms
          • Editing Network Topology
          • Browsing Network Topology
          • Network Route Tracing
      • SNMP Monitoring and Management
        • SNMP Basics
          • SNMP Versions
          • Structure of Management Information
          • SNMP Operations
          • SNMP Security
        • Using SNMP in Iotellect Network Manager
          • Configuring SNMP
            • Configuring SNMP Agents
              • SNMP Setup on Windows Systems
                • Enabling SNMP Agent on Windows Systems
                • Configuring SNMP Agent on Windows Systems
              • SNMP Setup on Linux Systems
                • Enabling SNMP Agent on Linux Systems
                • Configuring SNMP Agent on Linux Systems
              • SNMP Setup on Solaris Systems
                • Enabling SNMP Agent on Solaris Systems
                • Configuring SNMP Agent on Solaris Systems
              • SNMP Setup on Cisco Devices
              • SNMP Setup on Microsoft SQL Server
              • SNMP Setup on Lotus Domino Server
              • SNMP Setup on Oracle Servers
            • Configuring SNMP in Iotellect Network Manager
              • Global SNMP Configuration
                • Managing MIB Files
              • Configuring SNMP Devices
          • SNMP Monitoring
            • SNMP Polling
            • Receiving SNMP Traps and Informs
              • SNMP Trap Sources Automatic Discovery
            • Using SNMP Data
          • Managing Devices Using SNMP
          • Sending SNMP Traps and Informs
      • WMI Monitoring and Management
        • WMI Use Cases
          • Controlling Windows Services
          • Managing Printers
          • Operating System Users
          • Windows Event Log Monitoring via WMI
      • Availability Monitoring
        • Availability Alerting
        • Availability Reporting
        • Availability Charting
      • Performance Monitoring
        • CPU Load Monitoring
        • Memory and Storage Monitoring
        • Process Monitoring
          • Process Instance Count Chart
        • Generic Service Performance Monitoring
      • Traffic and Bandwidth Monitoring
        • Network Interface Traffic Chart
        • Network Interface Bandwidth Utilization
        • Network Interface Errors Chart
        • Network Interface Discards Chart
        • Network Interface Utilization Alert
        • Network Interface Down Alert
        • Network Interface Administrative Shutdown Alert
        • Network Interface State Change Alert
        • Interface Traffic Summary Report
        • Interface Traffic Top 10 and 50 Reports
        • Interface Bandwidth Utilization Over 50% and 90% Reports
        • Interface Bandwidth Utilization Top 10 and 50 Reports
      • NetFlow-based Traffic Decomposition
        • NetFlow Basics
        • Supported NetFlow Versions
        • System Requirements
        • Configuring Flow Exporters
        • Configuring Flow Processing
          • Configuring NetFlow Plugin
          • Configuring Device Accounts of NetFlow Sensors
            • Configuring DNS and NetBIOS Resolution
        • Viewing NetFlow Processing Statistics
        • Flow Data Aggregation
        • Visualizing Traffic Flows
        • Optimizing NetFlow Processing Performance
      • Database Monitoring
        • MySQL Monitoring
        • Oracle Monitoring
        • Microsoft SQL Server Monitoring
        • PostgreSQL Monitoring
      • Filesystem Monitoring
        • Local File Monitoring
        • Local Folder Monitoring
        • Log File Monitoring
      • Event Monitoring and Consolidation
        • Event Masking and Device Dependencies
        • Syslog
          • Syslog Events Monitoring and Consolidation
            • Syslog Alerts
            • Syslog Message Source Automatic Discovery
          • Syslog Messages Sending
        • SNMP Notifications
          • SNMP Notification Alerts
        • WMI Events
        • Windows Log Events
        • Pre-configured Event Filters
      • Application/Service Monitoring
        • Web Server Monitoring
          • Web Page Monitoring
          • Web Application Monitoring
          • Apache Web Server Monitoring
            • Apache Dashboard
            • Apache Alerts
          • Microsoft IIS Monitoring
        • Application Server Monitoring
          • JBoss Monitoring
          • Tomcat Monitoring
          • GlassFish Monitoring
          • WebLogic Monitoring
        • Middleware Monitoring
          • Microsoft SharePoint Monitoring
          • WebSphere MQ Monitoring
        • Active Directory Monitoring
          • Active Directory (LDAP) Monitoring
        • FTP Server Monitoring
        • E-mail Server Monitoring
          • POP3 Monitoring
          • IMAP Monitoring
          • SMTP Monitoring
          • E-mail Round-Trip Monitoring
          • Postfix Monitoring
          • Exchange Monitoring
        • SSH Server Monitoring
        • Radius Server Monitoring
        • DNS Server Monitoring
        • DHCP Server Monitoring
        • Generic TCP Service Monitoring
        • Generic UDP Service Monitoring
      • Virtual Infrastructure Monitoring
        • Virtualization Dashboards
          • Virtualization Server Details
          • Virtualization Overview
          • Virtualization TOP 10
        • Virtualization Models
          • Virtualization Monitoring
          • Virtualization Overview
        • Virtualization Widgets
        • Virtualization Events
        • Monitoring Outdated VMware 3.x
          • VMware Alerts
            • Virtual Machine State Alert
            • Virtual Machine CPU Load Alert
            • Virtual Machine Absolute Memory Utilization Alert
            • Virtual Machine Relative Memory Utilization Alert
            • Virtual Machine HDD Read Rate Alert
            • Virtual Machine HDD Write Rate Alert
          • VMware Charts
            • Virtual Machine CPU Utilization Chart
            • Virtual Machine Memory Usage Charts
            • Virtual Machine Disk Performance Charts
            • Virtual Machine Network Performance Charts
          • VMware Reports
          • VMware Information Widget
      • Printer Monitoring
        • Printer State Alert
        • Printer Marker Alert
        • Printer Cover Status Alert
        • Printer Information Widget
      • Wireless Device Monitoring
      • PDU Monitoring
      • UPS Monitoring
      • Java Monitoring and Management
      • .NET Monitoring
      • Configuration and Compliance Management
        • Configuration Management
          • Configuration Management Setup
          • Backup and Restore Sequences
          • Configuration Backup and Restoration
            • Scheduling Configuration Backups
            • Automatic Backups Upon Changes
        • Baseline Configurations
        • Managing Historical Configurations
        • Configuration Change Tracking and Alerting
        • Compliance Management
          • Compliance Policy Configuration
            • Properties
            • Rules
        • Configuration and Command Scripts
        • Configuration and Compliance Events
        • Configuration and Compliance Functions
      • IP SLA Monitoring
        • IP SLA Monitoring Concepts
        • IP SLA Test Types
        • Understanding IP SLA Technology
          • Latency
          • Jitter
          • Packet Loss
          • Mean Opinion Score (MOS)
          • Test Topology
        • Configuring IP SLA Tests
          • Preparing for IP SLA Monitoring
          • Importing Existing Tests
          • Updating Tests
          • Creating New Tests
          • Deleting Tests
          • Synchronizing Tests
          • IP SLA Test Parameters
          • IP SLA Test Schedule
          • IP SLA Test Reactions
          • IP SLA Test Statistics
          • IP SLA Test History
          • IP SLA Alert Thresholds
          • Understanding Polling Frequency
        • Browsing IP SLA Status and Statistics
          • IP SLA Test Groups
          • IP SLA Dashboards
          • IP SLA Alerts
      • VoIP, Video and IPTV Monitoring
        • Asterisk Monitoring
        • Unified Communications Manager (CallManager) Monitoring
      • Management Operations
        • SNMP Management
        • Control via WMI
        • Remote Script Execution
        • Network Management Actions
          • Execute Remote Script
          • Send SNMP Trap
          • Send Syslog Message
          • Wake-on-LAN
      • Helpdesk / Trouble Ticketing System Integration
      • Asset Management
        • Inventory Models
      • IT Service Management
      • Network Management Context Reference
        • Compliance Policies
        • Compliance Policy
        • Discovery
        • IP SLA Tests
        • IP SLA Test
        • Network Management
    • SCADA/HMI
      • Architecture
        • Managing Projects
      • Getting Started
      • Connecting to PLCs
      • Creating HMIs
        • Symbol Library
      • Trending and Charting
        • Using Historian
      • SCADA Security
      • OPC Server Discovery
      • Maintenance
      • Demo HMIs
        • Filter Plant Demo
      • Process management
        • Common Elements
          • Literals
          • Data Types
          • Variables
          • Functions
          • Function Blocks
          • Programs
          • Comments
        • Structured Text (ST)
          • Selection
          • Iteration
          • Iteration Termination Operators
        • Sequential Function Chart (SFC)
          • Steps
          • Transitions
          • Parallel Branches
          • Alternative Branches
          • Jumps
          • Actions
          • Internal Variables of Step
        • Function Block Diagram (FBD)
        • Ladder Diagram (LD)
    • Access Control
      • Overview
      • Setting Up Organization Structure
      • Managing Access Policies
      • Managing Access Entries
      • Managing Cards/Badges
      • Managing Cardholders
        • Importing Cardholders
      • Managing Timezones
      • Managing Timezone entries
      • Context Reference
        • Access Policies
        • Access Policy
        • Cardholders
        • Cardholder
        • Departments
        • Department
        • Divisions
        • Division
        • Organizations
        • Organization
        • Timezones
        • Timezone
    • Time and Attendance
      • Overview
      • Connecting Time Recorders
      • Setting Up Organization Structure
      • Managing Cardholders
        • Importing Cardholders
        • Attendance Exceptions
      • Managing Cards/Badges
      • Managing Shifts
      • Managing Raw Attendance Events
      • Attendance Data Processing
      • Time and Attendance Reports
        • Report Comments
      • Context Reference
        • Attendance
        • Cardholders
        • Cardholder
        • Departments
        • Department
        • Divisions
        • Division
        • Organizations
        • Organization
        • Shifts
        • Shift
    • Device Server Management
      • HTTP Proxy Service
      • Dynamic DNS Service
      • Link Service
      • Device Servers, Device Server Accounts and External Device Servers Accounts
      • Device Servers
      • Device Server Plugins
        • Transparent Data Routing (Link Service)
        • Dynamic DNS
        • HTTP Proxy
      • External Device Servers
      • Tools
      • Troubleshooting Device Server Connections
      • Setting Definition Files
      • Contexts
        • Device Server
        • Device Servers
        • External Device Server
        • External Device Servers
  • Appendix
    • Iotellect Specification
    • Iotellect Communication Protocol
    • Data Table Native Encoding
    • Data Table XML Encoding
    • Properties XML Encoding
    • Regular Expressions Syntax
    • Date and Time Formatting
    • Number Formatting
    • Generic Object Formatting
    • Common Constants
    • CSV Import/Export Options
    • Taking Thread and Heap Dumps
    • Configuring DCOM for Remote Access
    • Preparing a Headless Linux Server for Web Widgets
    • Iotellect Server Threads and Thread Pools
    • Platform Hotkeys
    • Variable Quality Codes
    • Deprecated Sections
      • Common Data
        • Uses of Common Data
          • Custom Data Storage
          • Custom Properties
          • Master Properties of Group Members
        • Common Table Contents
        • Common Table Configuration
          • Common Table Properties
          • Common Table Fields
          • Custom Properties
        • Common Table Record Permissions
        • Common Data Performance
      • Trackers
        • Tracker Status
        • Tracker Configuration
          • Tracker Properties
          • Status Table
        • Tracker Statistics
        • Trackers Security
        • Trackers Performance
        • Tracker Examples
        • Built-In Trackers
        • Trackers in Distributed Architecture
      • Favorites
        • Favorites Configuration
        • Favorites in Distributed Architecture
    • Supported Character Sets
Back to top

Uses of Common Data

Common data tables are used in several different scenarios. See the below articles for details:

  • Custom Data Storage
  • Custom Properties
  • Master Properties of Group Members
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