public function define_action() {

		$usergroups = WPF()->usergroup->get_usergroups();
		$group_options = array();
		foreach ( $usergroups as $key => $group ) {
			$group_options[ $group['groupid'] ] = $group['name'];
		}
		$option = [
			'option_code' => 'FOROGROUP',
			'label'       => esc_attr__( 'User groups', 'uncanny-automator' ),
			'input_type'  => 'select',
			'required'    => true,
			'options'     => $group_options,
		];
		$action = array(
			'author'             => Automator()->get_author_name(),
			'support_link'       => Automator()->get_author_support_link( $this->action_code, 'integration/wpforo/' ),
			'integration'        => self::$integration,
			'code'               => $this->action_code,
			/* translators: Action - wpForo */
			'sentence'           => sprintf( esc_attr__( 'Add the user to {{a group:%1$s}}', 'uncanny-automator' ), $this->action_meta ),
			/* translators: Action - wpForo */
			'select_option_name' => esc_attr__( 'Add the user to {{a group}}', 'uncanny-automator' ),
			'priority'           => 10,
			'accepted_args'      => 1,
			'execution_function' => array( $this, 'enrol_in_to_group' ),
			'options'            => [
				$option,
			],
		);
		Automator()->register->action( $action );
	}