The modificationNumber exists as an attribute in a CreateEIEvent payload, however, by definition if we are creating an event it is a new one. If we are modifying an existing event the ChangeEvent payload is to be used.
The modificationNumber exists as an attribute in a CreateEIEvent payload, however, by definition if we are creating an event it is a new one. If we are modifying an existing event the ChangeEvent payload is to be used.