API Reference > bentleyjs-core > Utils > JsonUtils > JsonUtils.isEmptyObjectOrUndefined JsonUtils.isEmptyObjectOrUndefined Function Determine if the input is undefined or an empty Javascript object. isEmptyObjectOrUndefined(json: any): boolean Parameter Type Description json any The JSON object to test. Returns - boolean true if json is undefined or is an Object with no keys (equivalent to {}). Defined in core/bentley/src/JsonUtils.ts Line 80 Last Updated: 15 June, 2021