Get information about how to change the position of fields on SAP Fiori UIs.
... define view ZExample_SalesOrder as select from sepm_cds_sales_order as so { @UI.identification: [ { position: 1 } ] key so.sales_order_id as SalesOrder, @UI.identification: [ { position: -5 } ] so.customer.company_name as CompanyName, @UI.identification: [ { position: 9999 } ] so.currency_code as CurrencyCode, @UI.identification: [ { position: '1.1' } ] so.gross_amount as GrossAmount }