bp_get_current_group_slug()

	function bp_get_current_group_slug() {
		$current_group      = groups_get_current_group();
		$current_group_slug = isset( $current_group->slug ) ? $current_group->slug : '';

		/**
		 * Filters the slug of the current group.
		 *
		 * @since BuddyPress 1.5.0
		 *
		 * @param string $current_group_slug Slug of the current group.
		 * @param object $current_group      Instance holding the current group.
		 */
		return apply_filters( 'bp_get_current_group_slug', $current_group_slug, $current_group );
	}