What

Name	What
Label	fk_Event_ClinicalMeasureCriteriaGrp_WhatId
Constraint name	fk_Event_ClinicalMeasureCriteriaGrp_WhatId
Parent object	ClinicalMeasureCriteriaGrp
Child object	Event
Parent object field	Id
Child object field	WhatId
On parent delete	No action