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Editing: callback.md

# Callbacks

If the `redirect_url` is added to your payment data, Flutterwave redirects there after every payment request

## 1. Setup your callback route

```php
// The callback url after a payment
Route::get('/rave/callback', [FlutterwaveController::class, 'callback'])->name('callback');
```

## 2. Setup your Controller

> Setup your controller to handle the routes. I created the `FlutterwaveController`. Use the `Flutterwave`
> facade.

```php
<?php
namespace App\Http\Controllers;

use Illuminate\Http\Request;
use KingFlamez\Rave\Facades\Rave as Flutterwave;

class FlutterwaveController extends Controller
{

/**
     * Obtain Flutterwave callback information
     * @return void
     */
    public function callback()
    {

$transactionID = Flutterwave::getTransactionIDFromCallback();
        $data = Flutterwave::verifyTransaction($transactionID);

dd($data);
        // Get the transaction from your DB using the transaction reference (txref)
        // Check if you have previously given value for the transaction. If you have, redirect to your successpage else, continue
        // Confirm that the $data['data']['status'] is 'successful'
        // Confirm that the currency on your db transaction is equal to the returned currency
        // Confirm that the db transaction amount is equal to the returned amount
        // Update the db transaction record (including parameters that didn't exist before the transaction is completed. for audit purpose)
        // Give value for the transaction
        // Update the transaction to note that you have given value for the transaction
        // You can also redirect to your success page from here

}

```

## 3. Make sure to add `'redirect_url' => route('callback'),` to all your payment requests that will use the callback

```php
<?php

namespace App\Http\Controllers;

use KingFlamez\Rave\Facades\Rave as Flutterwave;

class FlutterwaveController extends Controller
{
    /**
     * Initialize Rave payment process
     * @return void
     */
    public function initialize()
    {
        //This generates a payment reference
        $reference = Flutterwave::generateReference();

// Enter the details of the payment
        $data = [
            'payment_options' => 'card,banktransfer',
            'amount' => 500,
            'email' => request()->email,
            'tx_ref' => $reference,
            'currency' => "NGN",
            'redirect_url' => route('callback'),
            'customer' => [
                'email' => request()->email,
                "phonenumber" => request()->phone,
                "name" => request()->name
            ],

"customizations" => [
                "title" => 'Movie Ticket',
                "description" => "20th October"
            ]
        ];

$payment = Flutterwave::initializePayment($data);

if (!$payment) {
            // notify something went wrong
            return;
        }

return redirect($payment['link']);
    }

/**
     * Obtain Rave callback information
     * @return void
     */
    public function callback()
    {

$transactionID = Flutterwave::getTransactionIDFromCallback();
        $data = Flutterwave::verifyTransaction($transactionID);

}
}
```