post
https://api.safetyculture.io/announcements/v1/announcement:GetHeadsUpMessages
Lists the comments and replies to comments in a Heads Up. Please note that the response to this endpoint is paginated and will, by default, only return comments (not replies to comments) unless a parent comment is specified.
This endpoint requires the "Heads Up: Manage" permission for any Heads Up, or the "Heads Up: Create" permission for only Heads Ups you have created.