UpdateAvailabilityChannelMessage modifies an existing channel message. Use the `*_cleared` flags to explicitly null payload fields. The `channel` is immutable after create — delete and recreate instead.
PATCH/api/v1/ticketing/availability/channel-messages/:id
Responses
- 200: Message updated (revalidated after merge)
- 400: Invalid request (post-merge row invalid)
- 404: Message not found
Request
Responses
- 200
- default
A successful response.
An unexpected error response.