Aliases%where( ), %inRoom( ), %roomNum( ), %roomNumber( ), %getRoomNum( ), %getRoomNumber( )
Parameters[mixed @entity]

    If no parameter is given then returns the room of the script owner.
Returns the containing room number for a character or object entity. For a
room entity the room's vnum is returned. The entity may be a pointer to a
room, mob, or object. It may also be a keyword of a mob or object.