Set this argument to either the contact id or the contact/user email. You can also set it to the user id if you set the value_type argument to user_id.
Add the tags you want to add to the contact. This argument accepts a comma-separated string, as well as a JSON construct.
Set this argument to user_id to use the id of the user within the contact value argument. Default: default.
Advanced: Register a custom action after Webhooks Pro fires this webhook. More infos are in the description.
(String) Register a custom WordPress hook callback. The value will be called as followed: do_action( $yourdefinedaction, $action_return_data, $request_data )
More available Groundhogg endpoints
To learn more about a specific endpoint, simply click on it.