GREAT LOTUSInstall

Summary

Publishes a one-shot MQTT request to check whether a supplied image appears on the screen, then returns the result for use in workflow branching. It can publish without waiting or wait for an MQTT response before continuing.

Inputs

• Topic (required) — MQTT topic to publish the request to.
• Remote Port (required) — CDP remote debugging port used to route the request to the target session.
• QoS — MQTT delivery quality level; defaults to 1.
• Include Input Items — When enabled, includes selected fields from the incoming items in the request payload.
• Input Action fields — Comma-separated field paths to include when Include Input Items is enabled; supports nested paths and array indices.
• Wait For Response — When enabled, waits for an MQTT response before returning; defaults to false.
• Response Timeout (sec) — Maximum response wait time in seconds when waiting is enabled; defaults to 60.
• Delay Next Step (ms) — Delay before continuing; defaults to the expression rand(200,1000).
• Image Input (required) — Image URL or expression supplying the sample image to check for on screen.
• Confidence — Minimum similarity threshold from 0 to 1; defaults to 0.9.
• Workflow — Workflow label attached to result or capture data; defaults to "workflow".
• Full Page — Whether screen capture should cover the full page; defaults to false.
• Max Results — Maximum results setting; defaults to 20.

Output shape

A single result item containing the MQTT response when waiting is enabled; otherwise the operation publishes the request and returns without a response body.

The properties describe the check as a one-time, non-waiting check by default for branching. A configured delay runs after the response when waiting, or after publishing when not waiting. Exact response fields are not specified by the provided source view.

Links

• n8n community nodes installation guide