Start webhook implementation

Model/Carrier/UData.php

@@ -12,12 +12,19 @@ class UData
      *
      * @var string
      */
-    public const TRACKING = 'https://api.bobgo.co.za/tracking?channel=%s&tracking_reference=%s';
+    public const TRACKING = 'https://api.dev.bobgo.co.za/tracking?channel=%s&tracking_reference=%s';
 
     /**
      * Rates API Endpoint
      *
      * @var string
      */
-    public const RATES_ENDPOINT = 'https://api.bobgo.co.za/rates-at-checkout/magento';
+    public const RATES_ENDPOINT = 'https://api.dev.bobgo.co.za/rates-at-checkout/magento';
+
+    /**
+     * Order create/update webhook URL
+     *
+     * @var string
+     */
+    public const WEBHOOK_URL = 'https://api.dev.bobgo.co.za/webhook/channel';
 }