function bp_action_variable( $position = 0 ) {
	$action_variables = bp_action_variables();
	$action_variable  = isset( $action_variables[ $position ] )
		? $action_variables[ $position ]
		: false;

	/**
	 * Filters the value of a given action variable.
	 *
	 * @since 1.5.0
	 *
	 * @param string|bool $action_variable Requested action variable based on position.
	 * @param int         $position        The key of the action variable requested.
	 */
	return apply_filters( 'bp_action_variable', $action_variable, $position );
}