API Reference > bentleyjs-core > Utils > JsonUtils > JsonUtils.setOrRemoveBoolean JsonUtils.setOrRemoveBoolean Function Set or remove a boolean on a json object, given a key name, a value, and a default value. Sets json[key] = val if val is not equal to the default, otherwise delete json[key]. This is used to omit values from JSON strings that are of known defaults. setOrRemoveBoolean(json: any, key: string, val: boolean, defaultVal: boolean): void Parameter Type Description json any the JSON object to affect key string the name of the member to set or remove val boolean the value to set defaultVal boolean the default value. Returns - void Defined in core/bentley/src/JsonUtils.ts Line 66 Last Updated: 15 June, 2021