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Execution Engine

LyznFlow’s execution engine is the heart of the platform. It takes your visual workflow and turns it into actual running code.

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How Execution Works

Every time a workflow runs, it creates an Execution. An execution is a single instance of your workflow running from start to finish.

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Execution Lifecycle

  1. Trigger: An event (like a chat message or a scheduled time) initiates the process.
  2. Queuing: The execution is placed in a queue (Pending state).
  3. Running: The engine picks up the job and starts executing nodes one by one (Running state).
  4. Completion:
    • Success: All nodes finished correctly.
    • Error: A node failed, and the workflow stopped (unless error handling was configured).

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Watch Mode

Watch Mode is a powerful feature for developers. It allows you to “watch” the backend execution engine in real-time directly on your canvas.

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How it Works

When you toggle Watch Mode ON:
  1. The editor subscribes to a real-time WebSocket channel for this workflow.
  2. As the backend engine executes each node, it broadcasts events (nodeStarted, nodeFinished, nodeError).
  3. The editor receives these events and animates the nodes:
    • Pulse Green: Node is currently running.
    • Solid Green Border: Node finished successfully.
    • Red Border: Node failed.
    • Output Preview: You can click a finished node to see exactly what output it produced.
Note: Watch Mode only affects your view of the editor. It does not change how the workflow runs on the server.

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Publishing Your Agent

Once your workflow is working perfectly in Watch Mode, you are ready to publish.

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Public vs Private

  • Private (Default): Only you (and your team) can trigger or chat with this agent. Perfect for development and internal tools.
  • Public: The agent is listed in the Lyzn Marketplace or accessible via a public link. Anyone can use it.

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Versioning

LyznFlow handles versioning automatically.
  • Draft: The version currently on your canvas.
  • Published: The version that is live for users.
  • When you click Publish, your current Draft becomes the new Published version.
Next Steps: Learn how to build advanced AI Agents.