<?php

$bill = billplz()->bill()->create(
    $collection->getContent()['id'],
    auth()->user()->email,
    null,
    auth()->user()->name,
    $fees,
    route('webhook.billplz.callback'), // need to define in route
    'Product Description', [
        'redirect_url' => route('webhook.billplz.redirect_url'), // need to define in route
    ]
);