Is it Get and Set.

To test this, I created an alias of SalePerson in the Order Entry sample and added this code to a button:

Code:
Boolean bFileIsAlias
Get_Attribute DF_FILE_ALIAS of SalesPerson.File_Number to bFileIsAlias
Showln bFileIsAlias
Get_Attribute DF_FILE_ALIAS of SalesP2.File_Number to bFileIsAlias
Showln bFileIsAlias
Results:
0
1