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| Attribute | Schema Datatype or Enumeration | Usage | Definition | Business Rules | |
|---|---|---|---|---|---|
| OID | oid | Required | Unique identifier. | ||
| Name | name | Required | Human readable name. | ||
| TransitionOID | oidref | Required | Reference to a Transition in a WorkflowDef References the workflow Transition on which the timing constraint must be executed. | ||
| TimepointRelativeTarget | durationDatetime | Required | Conditional | The planned time between the two activities defined by the transition in the worfkflow,Specifies the targetted timepoint. | Must be expressed as an ISO 8601 duration. Either the TimepointRelativeTarget or the MethodOID must be provided. |
| MethodOID | oidref | OptionalConditional | Reference to a MethodDefReferences a MethodDef that returns a durationDatetime. Use of a method allows relative timings that depend on other pieces of information, or that are complex timing calculations. | Must match the OID attribute of a MethodDef element in this Study/MetaDataVersion. The MethodSignature for the referenced MethodDef must identify the input parameters and return value type. Either the TimepointRelativeTarget or the MethodOID must be provided. | |
| TimepointPreWindow | durationDatetime | Optional | Specifies the amount of time before the TimepointTarget that the activity may be started. prior to the TimepointRelativeTarget, the relative time between the two activities, may be shortened. | Must be expressed as an ISO 8601 duration. | |
| TimepointPostWindow | durationDatetime | Optional | Specifies the amount of time after the TimepointTarget that the activity can be started. TimepointRelativeTarget, the relative time between the two activities, may be lengthened. | Must be expressed as an ISO 8601 duration. |
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