Hello all ,

1-i want to add  a button in odoo pos that button show the all orders 

i but the button successfully  and show one product as  static i want to show all the paid orders  once clicking on that button .

 2- when i call a function in the file screen.js inside the class Productlistwidegt inside other function inside other class i cant do  it perfect 

3- how can the java script insert and read from the database ,where is the basic code for that