Merge pull request #65 from om-ghimire/master

updated the Nav bar and khalti-epayment.md

content/checkout/flutter/khalti-checkout.md

@@ -177,7 +177,7 @@ The static `init()` method takes in a few arguments:
 
 - **onReturn**: A callback function that gets triggered when the retunr_url is successfully loaded.
 
-- **onMessage**: A callback function that is triggered if any error is encountered. This callback provides error informations such as error description and status code. It also provides information about why the error occured via `KhaltiEvent` enum. This enum consists of:
+- **onMessage**: A callback function that is triggered to convey any message. It gets triggered when any issue is encountered or when any general message is to be conveyed. In case of error, this callback provides error informations such as error description and status code. It also provides information about why the error occured via `KhaltiEvent` enum. This enum consists of:
 
     ```dart
     enum KhaltiEvent {

content/khalti-epayment.md

@@ -133,9 +133,18 @@ Every payment request should be first initiated from the merchant as a server si
           "quantity": 1,
    "unit_price": 1300
       }
-  ]
+  ],
+  "merchant_username": "merchant_name",
+  "merchant_extra": "merchant_extra"
 }
 ```
+**Additionally** Configuration also accepts attribute starting with `merchant_` that can be used to pass additional (meta) data.
+
+- `merchant_name`: This is merchant name
+
+- `merchant_extra`: This is extra data
+
+The additional data starting with `merchant_` is returned in success response payload.
 
 Examples
 === "cURL"

mkdocs.yml

@@ -3,33 +3,36 @@ site_name: Khalti Payment Gateway
 nav:
   - Introduction: index.md
   - Getting Started: getting-started.md
-  - ePayment Gateway (NEW): khalti-epayment.md
-  - Client Integration:
-      - Android SDK: checkout/android.md
+  - ePayment Gateway (NEW):
+      - Web Checkout: khalti-epayment.md 
+      - Client Integration:
+
+        - Android SDK: checkout/android.md 
+        - Flutter SDK: checkout/flutter/khalti-checkout.md
+      - Plug and Play:
+        - WooCommerce: plugins/woocommerce.md    
+  - API Reference:
+      - Banking: checkout/diy-banking.md
+  - Deprecated:
+      - Andriod: checkout/deprecated_android.md
       - iOS SDK: checkout/ios.md
-      - Flutter SDK: checkout/flutter/khalti-checkout.md
-
-      - API Reference:
-          - Wallet: checkout/diy-wallet.md
-          - Banking: checkout/diy-banking.md
-      - Deprecated:
-        - Andriod: checkout/deprecated_android.md
-        - Flutter/Dart SDK:
+      - Flutter/Dart SDK:
           - khalti: checkout/flutter/khalti.md
           - khalti_flutter: checkout/flutter/khalti-flutter.md
-        - Web SDK (Widget Version) : checkout/web.md
-  - Server Integration:
-      - Verification: api/verification.md
-      - Transaction:
+      - Web SDK (Widget Version) : checkout/web.md
+      - API Reference:
+        - Wallet: checkout/diy-wallet.md
+      - Server Integration (Deprecated):
+        - Verification: api/verification.md
+        - Transaction:
           - List: api/transaction.md
           - Detail: api/transaction_details.md
           - Status: api/transaction_status.md
-  - Plug and Play:
-      - WooCommerce: plugins/woocommerce.md
-      - Opencart: plugins/opencart.md
-      - Magento 2: plugins/magneto.md
-      - Prestashop: plugins/prestashop.md
-      - WHMCS Khalti Module: plugins/whmcs.md
+      - Plug and Play:
+        - Opencart: plugins/opencart.md
+        - Magento 2: plugins/magneto.md
+        - Prestashop: plugins/prestashop.md
+        - WHMCS Khalti Module: plugins/whmcs.md        
   - Resources: resources.md
   - FAQ's and Gotchas: gotchas.md
   - Contribution: contribution.md