AdditionalCodeList - mandatory fields

A value must be supplied for List Code - AdditionalCodeList.UserListCode (except for Query).

In addition, for BulkCreateOrAmend, if language data is present in the payload, then a value must be supplied for AdditionalCodeList.Language.LanguageCode.

Also, if value data is present then both AdditionalCodeList.Language.Value.UserListValueId and DisplayOrder are required.