From Xojo Documentation
| This item was deprecated in version 2019r2.
Property (As AddressBookContact )
| This property is only available on the macOS platform.
For cross-platform compatibility, use ＃If...＃Endif with the Target... specifiers to make sure you will not attempt to use this property on an incompatible platform.
Gets the current user's "me" entry.
This code accesses the current user's first name.