diff --git a/library/Bpapp/BpNode.php b/library/Bpapp/BpNode.php
index bc1b846..76d22c1 100644
--- a/library/Bpapp/BpNode.php
+++ b/library/Bpapp/BpNode.php
@@ -57,16 +57,22 @@ class BpNode extends Node
         return $this->operator;
     }
 
-    public function setUrl($url)
+    public function setInfoUrl($url)
     {
         $this->url = $url;
+        return $this;
     }
 
-    public function hasUrl()
+    public function hasInfoUrl()
     {
         return $this->url !== null;
     }
 
+    public function getInfoUrl()
+    {
+        return $this->url;
+    }
+
     public function setInfoCommand($cmd)
     {
         $this->info_command = $cmd;
@@ -77,11 +83,6 @@ class BpNode extends Node
         return $this->info_command !== null;
     }
 
-    public function getUrl()
-    {
-        return $this->url;
-    }
-
     public function getInfoCommand()
     {
         return $this->info_command;