Trigger an Interface message when the patient's email address changes

Thanks!

@Nicole: Those are the events that already exist and I am aware of:
ADRLANDUPD - Update of country (patient address)

ADRORTUPD - Update of city (patient address)

ADRPFUPD - Update of post-office box (patient address)

ADDRCITUPD - Update patient post office box city

ADDRCOUUPD - Update patient post office box country

ADRPLZUPD - Update of zip code

ADRPPLZUPD - Update patient post office box ZIP code.

ADRSTRUPD - Update of street

ADRTELUPD - Update of telephone number

ADRVORWUPD - Update of area code

@Matthias: Do we have already events triggerd by demographic changes or would this be a totally new event?