bp_get_group_member_id()

	function bp_get_group_member_id() {
		global $members_template;

		/**
		 * Filters the member's user ID for group members loop.
		 *
		 * @since BuddyPress 1.0.0
		 *
		 * @param int $user_id User ID of the member.
		 */
		return apply_filters( 'bp_get_group_member_id', $members_template->member->user_id );
	}