useon

"useon" is an attribute that can be either a scriptdictionary or string.

• If not specified, objects cannot be used on this object.
• If a scriptdictionary, the keys of the dictionary specify objects that can be used on this object. The script values specify scripts to run when that object is used.
• If a string, that string is printed whenever an object is used on this object.

See also give, useanything.