getMapValue() Operation

set anObject = map.getMapValue(aKey)

Get the object from map map that is identified by akey. If the map value cannot be found, NULL is returned.

anObject

The map entry identified by aKey. 

map

An object of type Map.

aKey

Key value identifying the map entry.

create address;
set address = hashMap.getMapValue("John Snow");

address is an object of type Address: