groundhogg/form/submission_handler/after

This Groundhogg hook executes after the submission handler successfully handled the submission request.

do_action( 'groundhogg/form/submission_handler/after', $submission, $contact, $this );

This Groundhogg hook comes with three arguments: $sumisssion (object of a submission class which is handled by the handler), $contact (object of the contacts class of Groundhogg), and $this (object of the submission_handler class).