Set this field to either the contact email or contact id.
If you want to fetch the contact by a given user id, set this field do user_id. Default: default
Advanced: Register a custom action after WP Webhooks 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 FluentCRM endpoints
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