ReadonlyactionReadonlyaddressID of the address to be extended.
Optional ReadonlyfieldsSets the Custom Fields for the address.
Optional ReadonlytypeDefines the Type that extends the address with Custom Fields.
If absent, any existing Type and Custom Fields are removed from the address.
Adding or updating a Custom Type on an Address of a Business Unit generates the BusinessUnitAddressCustomTypeSet Message, and removing one generates the BusinessUnitAddressCustomTypeRemoved Message.