Syntax	set deletedObject = aMap.removeMapValue(aKey)
Semantics	Remove the object from map aMap that is identified by akey.
Substitutables	deletedObject	optional: The map entry identified by aKey that is deleted.
	aMap	An object of type Map.
	aKey	Key value identifying the map entry.
Examples	hashMap.removeMapValue("John Smith"); address is an object of type Address.

There is no operation to clear an entire map, but this goal can easily be achieved by two action script statements.

local entries = hashMap.getMapEntries();
apply hashMap.removeMapValue(element.key) to entries;