public function add_tag_to_user( $user_id, $action_data, $recipe_id ) {



		$tag_id = absint( $action_data['meta'][ $this->action_meta ] );

		if ( 0 !== $tag_id ) {
			$contact = Plugin::$instance->utils->get_contact( absint( $user_id ), true );

			if ( ! $contact ) {
				return;
			}

			$tags_to_add = [ $tag_id ];
			$contact->apply_tag( $tags_to_add );

		}

		Automator()->complete_action( $user_id, $action_data, $recipe_id );
	}