Working with rooms

$all_lessons = steam_factory::create_room(
        $steam_con, "lessons", $course_room );
$courseroom->insert( steam_factory::create_group(
        $steam_con, $courseroom->get_name() . "_participants",
        "students" ) );
$protected_area = steam_factory::create_room(
        $steam_con,"protected_area",$course_room );
$protected_area->insert( steam_factory::create_group(
        $steam_con, $courseroom->get_name() . "_tutors",
        "tutors" ) );
...
$lesson = steam_factory::create_room(
        $steam_con, $lesson_title, $all_lessons ) );
$new_lesson->insert(
        array( $slideshow, $case_study, $homework ), AS_LINK );