http://hl7.org/fhir/StructureDefinition/elementdefinition-graphConstraint|5.2.0
Will cause a GraphDefinition to be executed and the referred-to instance be considered \"valid\" for that GraphDefinition if the instance is the start of a result of executing that GraphDefinition.
| Name | Flags | Card | Type | Description & Constraints |
|---|---|---|---|---|
Extension | 0..1 | Check validity with GraphDefinition | ||
| ?..0 | ||||
| ?..? | ||||
| 1..? | ||||
| 1..? | canonical |