API Reference > ecschema-editing > Diagnostic > BaseDiagnostic BaseDiagnostic<TYPE extends AnyECType, ARGS extends any[]> Class Beta The abstract base class for all IDiagnostic implementations. Extended by SchemaDiagnostic SchemaItemDiagnostic PropertyDiagnostic RelationshipConstraintDiagnostic CustomAttributeContainerDiagnostic Implements IDiagnostic<TYPE, ARGS> Methods Name Description constructor<TYPE extends AnyECType, ARGS extends any[]>(ecDefinition: TYPE, messageArgs?: ARGS, category: DiagnosticCategory = DiagnosticCategory.Error): BaseDiagnostic<TYPE, ARGS> Initializes a new BaseDiagnostic. Properties Name Type Description category DiagnosticCategory The diagnostic category is of the type DiagnosticCategory; which is defined as an enumeration above. code Accessor AbstractReadOnly string Gets the unique string identifier for the diagnostic in the format ':'. diagnosticType Accessor AbstractReadOnly DiagnosticType Gets the context type of the diagnostic (schema, schema item, property, etc...) ecDefinition TYPE The EC object to associate with the diagnostic. messageArgs undefined | ARGS The arguments used when formatting the diagnostic message. messageText Accessor AbstractReadOnly string Gets the message associated with the diagnostic. schema Accessor AbstractReadOnly Schema Gets the schema where the diagnostic originated. Defined in ecschema-editing/src/Validation/Diagnostic.ts Line 76 Last Updated: 11 June, 2024