Sounds like you might have to script it.  You should be able to find some examples of using oScript.SetError on a pre-validate event and how to read UDTs using the BOI.  I have an example on here on how to add a lookup to a field too, although I don't think I have ever tried it with a UDT but if an ALE record is created in the User Lookup Wizard for you UDT then you should be able to use it with my script example.

Sounds like you might have to script it.  You should be able to find some examples of using oScript.SetError on a pre-validate event and how to read UDTs using the BOI.  I have an example on here on how to add a lookup to a field too, although I don't think I have ever tried it with a UDT but if an ALE record is created in the User Lookup Wizard for you UDT then you should be able to use it with my script example.

David Speck  when the UDT is created there will be an associated Lookup created as well, that can be used for your example.  And the CM_UDT_svc object can be used to validate the entry.

oUDT = oSession.GetObject("CM_UDT_svc", "AR_UDT_CustomerType")

Set oUDT = oScript.AsObject(oUDT)

It can then be used like any other Service object using .Find etc.

E

Thanks for confirming that regarding the ALE lookup, I thought I recall seeing one in the User Lookup Wizard at one point but wasn't certain.