bp_get_groups_action_link( string $action = '', string $query_args = '', bool $nonce = false )

	function bp_get_groups_action_link( $action = '', $query_args = '', $nonce = false ) {

		$current_group = groups_get_current_group();
		$url           = '';

		// Must be a group.
		if ( ! empty( $current_group->id ) ) {

			// Append $action to $url if provided
			if ( !empty( $action ) ) {
				$url = bp_get_group_permalink( $current_group ) . $action;
			} else {
				$url = bp_get_group_permalink( $current_group );
			}

			// Add a slash at the end of our user url.
			$url = trailingslashit( $url );

			// Add possible query args.
			if ( !empty( $query_args ) && is_array( $query_args ) ) {
				$url = add_query_arg( $query_args, $url );
			}

			// To nonce, or not to nonce...
			if ( true === $nonce ) {
				$url = wp_nonce_url( $url );
			} elseif ( is_string( $nonce ) ) {
				$url = wp_nonce_url( $url, $nonce );
			}
		}

		/**
		 * Filters a URL for a group component action.
		 *
		 * @since BuddyPress 2.1.0
		 *
		 * @param string $url        URL for a group component action.
		 * @param string $action     Action being taken for the group.
		 * @param string $query_args Query arguments being passed.
		 * @param bool   $nonce      Whether or not to add a nonce.
		 */
		return apply_filters( 'bp_get_groups_action_link', $url, $action, $query_args, $nonce );
	}