API Reference > imodeljs-common > ECSQL > ECJsNames > toJsName toJsName MethodStatic Formats the specified ECProperty name according to the iModel.js formatting rules. See ECSQL Row Format which describes the formatting rules. toJsName(propName: string, isSystemProperty?: false | true): string Parameter Type Description propName string isSystemProperty false | true if omitted, the method will try to find out whether the given property is a system property or not. If true is specified, the method will throw if the property name is not a known system property. If false is specified, the method will not attempt to recognize the property name as system property. Returns - string Defined in core/common/src/ECSqlTypes.ts Line 127 Last Updated: 15 June, 2021