Nebula Trigger

Starts the workflow when called from Nebula with form data. The form definition is exposed via n8n API for Nebula to fetch and present to users.

Nebula Trigger

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Summary

Nebula Trigger Default operation: starts a workflow via Nebula webhook with form data submission, optional Bearer token authentication, form validation, and enriched output data.

Inputs

None.

Output shape

main

Trigger node with no n8n inputs; execution is initiated entirely by the inbound webhook request.

Examples

Example 1: Basic trigger without authentication

Set webhookPath to 'my-workflow', leave authenticateCaller false, provide formJson with at least one text element. Calling POST /webhook/{nodeId}/my-workflow with JSON body { input: 'value' } returns success and workflow data.

Example 2: Trigger with authentication and metadata

Enable authenticateCaller, configure nebulaTriggerAuth credentials with a token, set includeRequestMetadata true, set validateFormData true. Calls must include Authorization: Bearer . Successful response includes request metadata and validated form data in workflow data.

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