The character-separated string you want to turn into a JSON construct.
The separator that is used to separate the values used for the JSON construct. By default, we separate the values using a comma.
(String) Register a custom WordPress hook callback. The value will be called as followed: do_action( $yourdefinedaction, $action_return_data, $request_data )
More available WP Webhooks Formatter endpoints
To learn more about a specific endpoint, simply click on it.