On this pageError API reference Implements Nodeid: ID!A unique identifier for this Error.message: String!A description of the error.values: [ErrorValue!]!The extensions of the error.withValue(name: String!, value: JSONinfo!): Error!Add a value to the error.name: String!The name of the value.value: JSONinfo!The value to store on the error.ReferencesReturned byCheck.errorQuery.errorAccepted as an argument byFunctionCall.returnError (error)