NSUserDefaults categories documentation
ETUUID
NSUserDefaults (ETUUID)Default
- - (ETUUID *) UUIDForKey: (NSString *)aKey
Returns an autoreleased UUID object if the value for aKey is an UUID string representation, otherwise returns nil.
Also returns nil if aKey doesn't exist.
- - (void) setUUID: (ETUUID *)aUUID forKey: (NSString *)aKey
Sets the value as the string representation of aUUID for aKey.