public function gtw_unregister_user( $user_id, $action_data, $recipe_id, $args ) {

		try {

			if ( empty( $user_id ) ) {
				throw new \Exception( __( 'User not found.', 'uncanny-automator' ) );
			}

			$webinar_key = Automator()->parse->text( $action_data['meta'][ $this->action_meta ], $recipe_id, $user_id, $args );
			
			if ( empty( $webinar_key ) ) {
				throw new \Exception( __( 'Webinar not found.', 'uncanny-automator' ) );
			}

			$webinar_key = str_replace( '-objectkey', '', $webinar_key );

			$user_registrant_key = get_user_meta( $user_id, '_uncannyowl_gtw_webinar_' . $webinar_key . '_registrantKey', true );

			if ( empty( $user_registrant_key ) ) {
				throw new \Exception( __( 'User was not registered for webinar.', 'uncanny-automator' ) );
			}

			$result = Automator()->helpers->recipe->gotowebinar->gtw_unregister_user( $user_id, $webinar_key, $action_data );

			Automator()->complete_action( $user_id, $action_data, $recipe_id );
		} catch ( \Exception $e ) {
			$action_data['do-nothing'] = true;
			$action_data['complete_with_errors'] = true;
			Automator()->complete_action( $user_id, $action_data, $recipe_id, $e->getMessage() );
		}

	}