API Reference > imodeljs-common > ECSQL > ECSqlSystemProperty ECSqlSystemProperty Enumeration Defines the ECSQL system properties. See also ECSQL. Members Name Value Description ECClassId ECInstanceId NavigationId NavigationRelClassId PointX PointY PointZ SourceECClassId SourceECInstanceId TargetECClassId TargetECInstanceId Defined in core/common/src/ECSqlTypes.ts Line 96 Last Updated: 15 June, 2021