API Reference > imodeljs-common > ECSQL > ECJsNames ECJsNames Class Utility to format ECProperty names according to the iModel.js formatting rules. See also ECSQL Row Format. Methods Name Description systemPropertyToJsName(systemPropertyType: ECSqlSystemProperty): string Static Returns the name of the specified ECSQL system property according to the toJsName(propName: string, isSystemProperty?: false | true): string Static Formats the specified ECProperty name according to the iModel.js formatting rules. Defined in core/common/src/ECSqlTypes.ts Line 114 Last Updated: 15 June, 2021