@Chandra2505  You can do this in Constellation by first creating a new field on the embedded class data model that is defined as a “List of” (for example, List of Text) so it can hold multiple values. Then open your editable table view, add a new column, and point it to this new embedded field. In the column settings, change the control type to “Multi-select” / “Picklist (multi-select)” instead of a regular dropdown. Configure the field’s data source as either a local list of values or a data reference (for example, a data page that returns the list of records you want to show). Make sure you set both the display text and the key/value property correctly in the data source settings so multiple selections save as expected. Check that the column is marked as editable for the row editing mode you use (inline or modal). Finally, run the case, add a few rows in the table, and confirm that each row can open the dropdown, select multiple options, and that all selected values persist after save/refresh.