Signals Notebook External Action Requirements for advancing or aborting a Sign And Close Workflow

Description

When an External Action is invoked during the Sign and Close workflow, the system expects the external action modal to send a supported close message back to Signals Notebook to indicate completion and allow the workflow to either continue or abort.

Solution

- Ensure the external action posts a completion status to Signals Notebook using window.parent.postMessage with the correct tenant origin.
- Use one of the supported commands to close the modal and proceed:
• ['close', [true]] to continue normal flow
• ['closeAndContinue', []] as a shorthand to continue
- If the action must abort signing, use:
• ['close', [false]] or ['closeAndAbort', []]
- Verify the origin parameter matches the tenant (scheme + domain + optional port), e.g., 'https://yourtenant.signalsresearch.revvitycloud.com/'.
- Confirm the message is sent after the external action completes and before unloading the page.
- Test the workflow to ensure the entity refreshes and the signing transition proceeds without re-invoking the action.