Associates UDT transform groups with the user.
You can specify up to 256 data_type-transform_group pairs for a user.
If the user has a profile, the transform group for the UDT in the user's profile is used.
If the UDT has a default transform group, the default transform group for the UDT is used unless the user specifies a transform group.
- Name of user-defined data type (UDT).
- Name of transform group for the UDT.