diff --git a/zabbix/zabbix_api.py b/zabbix/zabbix_api.py
index aa8bfdf..bd98261 100644
--- a/zabbix/zabbix_api.py
+++ b/zabbix/zabbix_api.py
@@ -136,6 +136,7 @@ def __init__(self, server='http://localhost/zabbix', user=None, passwd=None, log
         self.drule = ZabbixAPIDRule(self,**kwargs)
         self.history = ZabbixAPIHistory(self,**kwargs)
         self.maintenance = ZabbixAPIMaintenance(self,**kwargs)
+        self.proxy = ZabbixAPIProxy(self,**kwargs)
         self.id = 0
 
         self.debug(logging.INFO, "url: "+ self.url)
@@ -1131,6 +1132,27 @@ def massUpdate(self,**opts):
 """
         return opts
 
+    @dojson('hostgroup.exists')
+    @checkauth
+    def exists(self,**opts):
+        """  * Check if HostGroups exists
+ *
+ * {@source}
+ * @access public
+ * @static
+ * @since 1.8.3
+ * @version 1
+ *
+ * @param array $data
+ * @param array $data['nodeids']
+ * @param array $data['groupid']
+ * @param array $data['name']
+ * @return boolean
+"""
+        print "Got RESULT"
+        print opts
+        return opts
+
 class ZabbixAPIApplication(ZabbixAPISubClass):
 
     @dojson('application.get')
@@ -2973,6 +2995,12 @@ def get(self,**opts):
     def delete(self,**opts):
         return opts
 
+class ZabbixAPIProxy(ZabbixAPISubClass):
+    @dojson('proxy.get')
+    @checkauth
+    def get(self,**opts):
+        return opts
+
 class ZabbixAPIMaintenance(ZabbixAPISubClass):
     @dojson('maintenance.create')
     @checkauth
@@ -2994,4 +3022,4 @@ def get(self,**opts):
     @dojson('maintenance.update')
     @checkauth
     def update(self,**opts):
-        return opts    
\ No newline at end of file
+        return opts