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.
| element_id | types |
|---|---|
| Extension | |
| Extension.extension | |
| Extension.url | |
| Extension.value[x] | |
| Extension | |
| Extension.id | |
| Extension.extension | |
| Extension.url | |
| Extension.value[x] |