Get information about what UI annotations to use to work with selection fields for SAP Fiori UIs.
If a CDS is annotated as @Search.searchable, the UI automatically takes this is into consideration and no additional UI annotations are required to expose a search field or a value help.If your table or list contains many data and therefore many rows, it gets hard to find the information you need. To facilitate finding the desired information, you can use selection fields to specify the range of information that you are looking for.
... define view ZExample_SalesOrder as select from sepm_cds_sales_order as so { key so.sales_order_id as SalesOrder, @UI.selectionField: [ { position: 10 } ] so.customer.company_name as CompanyName, ... }