--- CUserGroup.ori.php	2014-12-19 15:11:44.458972836 +0100
+++ CUserGroup.php	2014-12-23 09:37:01.577915925 +0100
@@ -74,6 +74,7 @@
 			'editable'					=> null,
 			'output'					=> API_OUTPUT_EXTEND,
 			'selectUsers'				=> null,
+			'selectUsrgrpRights'			=> null,
 			'countOutput'				=> null,
 			'preservekeys'				=> null,
 			'sortfield'					=> '',
@@ -731,6 +732,37 @@
 
 	protected function addRelatedObjects(array $options, array $result) {
 		$result = parent::addRelatedObjects($options, $result);
+		
+		// PATCH TO OBTAIN selectRights on usrgrp
+		if ($options['selectUsrgrpRights'] !== null && $options['selectUsrgrpRights'] != API_OUTPUT_COUNT) {
+			
+			// relationMap creation with usrgrpid as foreign key
+			$relationMap = $this->createRelationMap($result, 'usrgrpid', 'usrgrpid' , 'users_groups');
+
+
+			// all the keys from result (key as usrgrpid)
+			$usrgrpids=array_keys($result);
+			
+			//  recopie des lignes 522 a 531
+
+			// get already linked rights
+                        $linkedRights = array();
+                        $sql = 'SELECT groupid,permission,id'.
+                                ' FROM rights'.
+                                ' WHERE '.dbConditionInt('groupid', $usrgrpids);
+
+			$linkedRightsDb = DBselect($sql);
+                        while ($link = DBfetch($linkedRightsDb)) {
+                                if (!isset($linkedRights[$link['groupid']])) {
+                                        $linkedRights[$link['groupid']] = array();
+                                }
+                                $linkedRights[$link['groupid']][$link['id']] = $link['permission'];
+                        }
+			
+			// add in result as rights
+			$result = $relationMap->mapMany($result,$linkedRights, 'usrgrprights');
+                }
+		// END PATCH
 
 		// adding users
 		if ($options['selectUsers'] !== null && $options['selectUsers'] != API_OUTPUT_COUNT) {
@@ -745,7 +777,6 @@
 
 			$result = $relationMap->mapMany($result, $dbUsers, 'users');
 		}
-
 		return $result;
 	}
 }