The module forces to select a cashier before switching to payment screen. Once user clicks on "Payment", custom popup is shown and user can select a cashier by scanning cashier's barcode or by clicking one from the list.
To get an assistance on this module contact us by email ➡️ [email protected]
Odoo Apps Store: https://apps.odoo.com/apps/modules/13.0/pos_cashier_select/
Tested on Odoo 13.0