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AttributeSchema Datatype or EnumerationUsageDefinitionBusiness Rule(s)
OIDoidRequiredUnique identifier.Must be unique within the Study.
NamenameRequiredHuman readable name for the DurationTimingConstraint.Must be unique within the set of timing constraints for the Study.
StructuralElementOIDoidrefRequiredOID of a structural element such as a Study, Epoch, StudyEventGroup, StudyEvent, ItemGroup, ItemMust match the OID for Study, Epoch, StudyEventGroupDef, StudyEventDef, ItemGroupDef or ItemDef. element.
DurationTargetdurationDatetimeRequired

Constrains the duration of an activity represented by a Study, Epoch, StudyEventGroupDef, StudyEventDef, ItemGroupDef or ItemDef.

Specifies the planned duration of the referenced structural element.

Must be a non-negative ISO 8601 duration.
DurationPreWindowdurationDatetimeOptionalDefines the amount of time by which the targetted duration may be reduced.Must be a non-negative ISO 8601 duration.
DurationPostWindowdurationDatetimeOptionalDefines the amount of time by which the targetted duration may be increased.Must be a non-negative ISO 8601 duration.