diff --git a/bridges/VkBridge.php b/bridges/VkBridge.php
index ec48c27..37194d9 100644
--- a/bridges/VkBridge.php
+++ b/bridges/VkBridge.php
@@ -12,7 +12,8 @@ class VkBridge extends BridgeAbstract {
         $this->parameters["Url on page group or user"] = '[
 			{
 				"name" : "Url",
-				"identifier" : "u"
+				"identifier" : "u",
+				"required" : true
 			}
 		]';
     }