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Master control group (MCG) is an established tool for excluding parts of the contact database from all communication over a period of time. Usually the purpose of exclusion with master control group is to measure the effect of marketing activities over periods of time.
FieldDescriptionData typeExample value
contactIdThe unique contact IDGUIDa72d5017-827c-40dd-8585-abc90086e0ac
startDateTimeWhen the contact was put in the control groupdatetime2020-06-28T21:59:59+01:00
endDateTimeWhen the contact was taken out of the control groupdatetime2020-07-28T21:59:59+01:00
isInMasterControlGroupIf a contact is in this control groupbooleantrue
changeTypeNot applicablestringCREATE/UPDATE/DELETE