>I have a program that checks to see if a property already exists on an object before adding it, which would be the better way to determine if the property already exists?

You can call addproperty even if the property does exist, if you only have the need to set.
The operation is even faster ;-)
If you are checking before a get, Type() might help you more than !Pemstat

>

>    IF PEMSTATUS( m.loMyObject, [cNewProperty], 5)
>      ADDPROPERTY( m.loMyObject, [cNewProperty], [Test Information])
>    ENDIF
>