Learning > ECSQL Parameter Types Edit this page iTwin.js Types used in ECSQL Parameter Bindings The following table list which iTwin.js type you can use for binding values to ECSQL parameters. ECSQL Parameter Type iTwin.js Type Boolean boolean Blob Uint8Array DateTime ISO 8601 date time string Double number GUID GuidString Id Id64String Integer number. Use a decimal string, if the value is greater than the JavaScript limitation for big integers. Navigation Value NavigationBindingValue Point2d XAndY Point3d XAndY Range3d LowAndHighXYZ string string Struct JavaScript object matching the members of the struct. The member values can be primitives, arrays, or objects of the above types Array JavaScript array of primitives or objects of the above types Last Updated: 11 June, 2024