postMessage events to the parent window so you can react to save, delete, and back-navigation actions.
These events are separate from the JavaScript SDK events used for public form embeds (
submit, pageChange, etc.).Message format
All editor events use this structure:Events
View identifiers
Theview field in navigateBack payloads uses stable, human-readable IDs:
Parent listener example
Origin targeting
By default, messages are sent to the parent with target origin*. For stricter security, pass your CMS origin as a query parameter on the iframe URL: