Here is the issue I have right?

[NOTE] this is on odoo14

I have a js file that calls a function in python using rpc and it receives the return object; which is perfect.

Snippet of the JS function:

               this.rpc({
                  model: 'atm.transaction',
                  method: 'do_payment_transaction',
                  args: [customer_id],
                }).then(function (data)
                    {
                    console.log("Response of payment",data)
                });

The python function on the other hand initiates a request to a third party API; This third party API does its stuff and calls my route which I created under controllers.

I want my function that is inside my route in the controller to call a js function.[This is my main problem].

Any insights will be much appreciated.