From Xojo Documentation
| This item was deprecated in version 2019r2.
| This method is only available on platform.
For cross-platform compatibility, use ＃If...＃Endif with the Target... specifiers to make sure you will not attempt to use this method on an incompatible platform.
Returns the label as a String belonging to the data.
The possible labels are: Home, Home Fax, Main, Mobile, Pager, Work Fax, Work. If the label isn't one of these, it returns the empty string.