API Reference > imodeljs-common > ECSQL > NavigationBindingValue > relClassTableSpace relClassTableSpace relClassTableSpace: undefined | string Table space where the relationship's schema is persisted. This is only required if other ECDb files are attached to the primary one. In case a schema exists in more than one of the files, pass the table space to disambiguate. Defined in core/common/src/ECSqlTypes.ts Line 60 Last Updated: 15 June, 2021