bp_get_the_thread_subject()

	function bp_get_the_thread_subject() {
		global $thread_template;

		/**
		 * Filters the subject of the thread currently being iterated over.
		 *
		 * @since BuddyPress 1.1.0
		 *
		 * @return string $last_message_subject Subject of the thread currently being iterated over.
		 */
		return apply_filters( 'bp_get_the_thread_subject', $thread_template->thread->last_message_subject );
	}