TypeInfo.FullName

From Xojo Documentation

Property (As String )
aTypeInfo.FullName = newStringValue
or
StringValue = aTypeInfo.FullName

Supported for all project types and targets.

The full name of the item, including the module path. If two different classes in different modules have the same name, then the FullName property will differentiate them. It is a globally unique identifier for the datatype.