<status value="active" /> <description value="Operation Outcomes are sets of error, warning and information messages that provide detailed information about the outcome of some attempted system operation. They are provided as a direct system response, or component of one, where they provide information about the outcome of the operation." /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="OperationOutcome" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/OperationOutcome" /> <derivation value="constraint" /> <differential> <element id="OperationOutcome.issue"> <path value="OperationOutcome.issue" /> <mustSupport value="true" /> </element> <element id="OperationOutcome.issue.severity"> <path value="OperationOutcome.issue.severity" /> <mustSupport value="true" /> </element> <element id="OperationOutcome.issue.code"> <path value="OperationOutcome.issue.code" /> <mustSupport value="true" /> </element> <element id="OperationOutcome.issue.details"> <path value="OperationOutcome.issue.details" /> <mustSupport value="true" /> <binding> <strength value="extensible" /> <valueSet value="http://ontariohealth.ca/fhir/ehr/ValueSet/error-code" /> </binding> </element> <element id="OperationOutcome.issue.details.coding"> <path value="OperationOutcome.issue.details.coding" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="OperationOutcome.issue.details.coding.system"> <path value="OperationOutcome.issue.details.coding.system" /> <mustSupport value="true" /> </element> <element id="OperationOutcome.issue.details.coding.code"> <path value="OperationOutcome.issue.details.coding.code" /> <mustSupport value="true" /> </element> <element id="OperationOutcome.issue.details.coding.display"> <path value="OperationOutcome.issue.details.coding.display" /> <mustSupport value="true" /> </element> <element id="OperationOutcome.issue.diagnostics"> <path value="OperationOutcome.issue.diagnostics" /> <mustSupport value="true" /> </element> <element id="OperationOutcome.issue.expression"> <path value="OperationOutcome.issue.expression" /> <mustSupport value="true" /> </element> </differential> </StructureDefinition>