refund docs

README.md

@@ -151,6 +151,85 @@ class OrderController extends Controller
 }
 ```
 
+### Initiating Refunds
+
+```php
+<?php
+
+namespace App\Http\Controllers;
+
+use PaytmWallet;
+
+class OrderController extends Controller
+{
+    /**
+    * Initiate refund.
+    *
+    * @return Object
+    */
+    public function refund(){
+        $refund = PaytmWallet::with('refund');
+        $refund->prepare([
+            'order' => $order->id,
+            'reference' => "refund-order-4", // provide refund reference for your future reference (should be unique for each order)
+            'amount' => 300, // refund amount 
+            'transaction' => $order->transaction_id // provide paytm transaction id referring to this order 
+        ]);
+        $refund->initiate();
+        $response = $refund->response() // To get raw response as object
+
+        if($refund->isSuccessful()){
+          //Refund Successful
+        }else if($refund->isFailed()){
+          //Refund Failed
+        }else if($refund->isOpen()){
+          //Refund Open/Processing
+        }else if($refund->isPending()){
+          //Refund Pending
+        }
+    }
+}
+```
+
+### Check Refund Status
+
+```php
+<?php
+
+namespace App\Http\Controllers;
+
+use PaytmWallet;
+
+class OrderController extends Controller
+{
+    /**
+    * Initiate refund.
+    *
+    * @return Object
+    */
+    public function refund(){
+        $refundStatus = PaytmWallet::with('refund_status');
+        $refundStatus->prepare([
+            'order' => $order->id,
+            'reference' => "refund-order-4", // provide reference number (the same which you have entered for initiating refund)
+        ]);
+        $refundStatus->check();
+
+        $response = $refundStatus->response() // To get raw response as object
+
+        if($refundStatus->isSuccessful()){
+          //Refund Successful
+        }else if($refundStatus->isFailed()){
+          //Refund Failed
+        }else if($refundStatus->isOpen()){
+          //Refund Open/Processing
+        }else if($refundStatus->isPending()){
+          //Refund Pending
+        }
+    }
+}
+```
+
 ## Support on Beerpay
 
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