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LMDA Composer LMDA Composer

Quick Start

This guide walks you through connecting to your LogicMonitor portal and running your first script.

Getting Started

Section titled “Getting Started”

  1. Log into LogicMonitor

    Section titled “Log into LogicMonitor”

    Open a browser tab and log into your LogicMonitor portal (e.g., https://yourcompany.logicmonitor.com).

  2. Open LMDA Composer

    Section titled “Open LMDA Composer”

    Click the LMDA Composer icon in your browser toolbar. The composer opens in a new tab displaying the welcome screen.

    The welcome screen after opening LMDA Composer

  3. Select Your Context

    Section titled “Select Your Context”

    Before running a script, configure your execution context using the toolbar dropdowns:

    • Portal — Select your LogicMonitor portal from detected sessions (green indicator = connected)
    • Collector — Choose which collector runs your scripts (only online collectors can execute)
    • Device — Optional. Select a device if your script needs host properties like system.hostname
    The context dropdown showing Portal, Collector, and Device selection

  4. Write Your First Script

    Section titled “Write Your First Script”

    Click New Script on the welcome screen, or press Ctrl+K, N / ⌘+K, N to create a new script tab.

    Try this simple script:

    println "Hello from LMDA Composer!"
    println "Current time: " + new Date()
    return 0

  5. Run the Script

    Section titled “Run the Script”

    Click the Run Script button or press Ctrl+Enter / ⌘+Enter.

    Watch the output appear in the Output Panel below the editor. A green “Complete” badge indicates successful execution.

    Output panel showing successful execution with Complete status

Understanding the Output

Section titled “Understanding the Output”

The Output Panel provides three views depending on your execution mode:

The complete text output from your script, exactly as returned by the collector.

Alternative: Create a LogicModule

Section titled “Alternative: Create a LogicModule”

Instead of a standalone script, you can create a complete LogicModule using the guided wizard:

  1. Click New LogicModule on the welcome screen (requires portal connection)
  2. Choose your module type (DataSource, ConfigSource, PropertySource, etc.)
  3. Configure basic info, script settings, and requirements
  4. The wizard creates a properly structured module ready for development

What’s Next?

Section titled “What’s Next?”
Execution Modes Learn about Freeform, AD, Collection, and Batch Collection modes.
LogicModule Browser Import scripts from existing modules in your portal.
Snippets Library Use templates and patterns to speed up script development.
Interface Overview Take a complete tour of the workspace.

Pro Tips

Section titled “Pro Tips”