COMMAND: @aenter <object> = <command-list> ATTRIBUTE: Aenter
Sets the action to be taken by an object or room when someone enters it, whether by using an exit, the enter or leave commands, or by teleporting.
This attribute is meaningful for players, things, and rooms, and will never be automatically triggered on exits.
Example: @aenter car = :starts its engine, eagerly awaiting a road trip.; "Beep Beep!