Tracking page

Block/TrackingBlock.php

 <?php
+
 namespace BobGroup\BobGo\Block;
-class TrackOrder extends \Magento\Framework\View\Element\Template
+
+use Magento\Framework\View\Element\Template;
+use Magento\Framework\Registry;
+
+class TrackingBlock extends \Magento\Framework\View\Element\Template
 {
+    protected $registry;
+
     public function __construct(
-        \Magento\Backend\Block\Template\Context $context,
+        Template\Context $context,
+        Registry $registry,
         array $data = []
-    )
-    {
+    ) {
+        $this->registry = $registry;
         parent::__construct($context, $data);
     }
 
-    public function getHelloWorld()
+    public function getResponse()
     {
-        return 'Hello World';
+        return $this->registry->registry('shipment_data');
     }
-
 }
+