bp_get_message_thread_unread_count()

	function bp_get_message_thread_unread_count() {
		global $messages_template;

		$count = ! empty( $messages_template->thread->unread_count )
			? (int) $messages_template->thread->unread_count
			: false;

		/**
		 * Filters the current thread's unread count.
		 *
		 * @since BuddyPress 1.0.0
		 *
		 * @param int $count Current thread unread count.
		 */
		return apply_filters( 'bp_get_message_thread_unread_count', $count );
	}