getMapValue() Operation

Syntax	`set anObject = map.getMapValue(aKey)`
Semantics	Get the object from map map that is identified by `akey`. If the map value cannot be found, `NULL` is returned.
Substitutables	`anObject`	The map entry identified by `aKey`.
	`map`	An object of type Map.
	`aKey`	Key value identifying the map entry.
Examples	NONE `create address; set address = hashMap.getMapValue("John Snow");` address is an object of type Address:

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