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The element AbsoluteTimingConstraint is used to specify when an activity, represented by either a StudyEventGroup or StudyEvent, can take place. 

Element NameAbsoluteTimingConstraint
Parent Element(s)StudyTiming
Element XPath(s)
  • /ODM/Study/MetaDataVersion/Protocol/StudyTimings/StudyTiming/AbsoluteTimingConstraint
Element Textual ValueNone
AttributesOID, Name, (StudyEventGroupOID|StudyEventOID), TimepointTarget, TimepointPreWindow, TimepointPostWindow
Child Elements(Description?)
Usage/Business Rules


AttributeSchema Datatype or EnumerationUsageDefinitionBusiness Rule(s)
OIDoidRequiredUnique identifier.
NamenameRequiredHuman readable name.

StudyEventGroupOID

oidrefOptionalReference to StudyEventGroup definition element.
StudyEventOIDoidrefOptionalReference to StudyEvent definition element.
TimepointTarget(date, time, datetime, partialDate, partialTime, partialDatetime)Required

Specifies the targetted date, time, or datetime.

  • Must be expressed in ISO 8601 format.

Note it can be incomplete date/datetime; for example: if the activity is planned to be at 9:00 am, the value for TimepointTarget may be expressed as "-----T09".

TimepointPreWindowdurationDatetimeOptional

Specifies the amount of time before the TimepointTarget that the activity may be started. 

  • Must be expressed as an ISO 8601 duration.
TimepointPostWindowdurationDatetimeOptional

Specifies the amount of time after the TimepointTarget that the activity can be started. 

  • Must be expressed as an ISO 8601 duration.

Example: AbsoluteTimingConstraint

AbsoluteTimingConstraint
<AbsoluteTimingConstraint OID="TEMP_MEASUREMENT_TIME" Name="Timing constraint for taking the morning temperature" StudyEventGroupOID="IG.TEMP_MEASUREMENT"
    TimepointTarget="09:00" TimepointPreWindow="PT5M" TimepointPostWindow="PT30M"> 
    <Description>
        <TranslatedText xml:lang="en" Type="text/plain">The temperature of the subject must be measured at 9:00 AM in the morning, with a time window of 5 minutes before and 30 minutes after</TranslatedText>
    </Description>
</AbsoluteTimingConstraint>




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