Hi Odooers:

i added a custom button in pos screen name "Custom Button" and set it numberpopup now i want that when enter number (like 3459" ) then the number should be save the store on the button label .(instead of Custom Button the should be 3459 ) and should be store on backend in pos.order form there is a field delivery_order .

The code is Given below:

js code;

odoo.define('xy_pos_button.CreateCustomButton', function(require) {
'use strict';
  const { Gui } = require('point_of_sale.Gui');
  const PosComponent = require('point_of_sale.PosComponent');
  const { posbus } = require('point_of_sale.utils');
  const ProductScreen = require('point_of_sale.ProductScreen');
  const { useListener } = require('web.custom_hooks');
  const Registries = require('point_of_sale.Registries');
  const PaymentScreen = require('point_of_sale.PaymentScreen');
  class CustomButton extends PosComponent {
       constructor() {
           super(...arguments);
           useListener('click', this.onClick);
       }
      async onClick() {
                const { confirmed} = await this.showPopup("NumberPopup", {})

       }

   }

  CustomButton.template = 'CustomButton';
  ProductScreen.addControlButton({
       component: CustomButton,
       condition: function() {
           return this.env.pos;
       },
   });

  Registries.Component.add(CustomButton);
  return CustomButton;
});

xml template: