NameFlagsCard.TypeDescription & Constraintsdoco
.. OperationOutcome ΣDomainResourceInformation about the success/failure of an action
... issue Σ1..*BackboneElementA single issue associated with the action
.... severity ?! Σ1..1codefatal | error | warning | information
IssueSeverity (Required)
.... code Σ1..1codeError or warning code
IssueType (Required)
.... details Σ0..1CodeableConceptAdditional details about the error
Operation Outcome Codes (Example)
.... diagnostics Σ0..1stringAdditional diagnostic information about the issue
.... location Σ0..*stringXPath of element(s) related to issue

doco Documentation for this format