API Reference > ecschema-Metadata > Metadata > CustomAttributeClass > toJSON toJSON Method Save this CustomAttributeClasses properties to an object for serializing to JSON. toJSON(standalone: boolean = false, includeSchemaVersion: boolean = false): CustomAttributeClassProps Parameter Type Description standalone boolean Serialization includes only this object (as opposed to the full schema). includeSchemaVersion boolean Include the Schema's version information in the serialized object. Returns - CustomAttributeClassProps Defined in core/ecschema-metadata/src/Metadata/CustomAttributeClass.ts Line 41 Last Updated: 12 June, 2024