how to call payment method laravel

i need to use a payment method that use CB, i use CMCIC wich is the one of the bank, i found on git a script that is compatible with laravel here => on this page

i installed it, and configured it, created routes for payment ok and ko.Route::get('paymentok', ['uses' => 'WelcomeController@payok', 'as' => 'paymentok']); Route::get('paymentko', ['uses' => 'WelcomeController@payko', 'as' => 'paymentko']);

but i want to know how can call the payment method from the page where the price is asked.

thank you for help

via Chebli Mohamed