diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index 0e6a6c6fd10..237c55e7678 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -105,11 +105,11 @@ if (! empty($_POST['removedassigned']))
 if (GETPOST('addassignedtouser') || GETPOST('updateassignedtouser'))
 {
 	// Add a new user
-	if (GETPOST('affectedto') > 0)
+	if (GETPOST('assignedtouser') > 0)
 	{
 		$assignedtouser=array();
 		if (! empty($_SESSION['assignedtouser'])) $assignedtouser=dol_json_decode($_SESSION['assignedtouser'], true);
-		$assignedtouser[GETPOST('affectedto')]=array('transparency'=>GETPOST('transparency'),'mandatory'=>1);
+		$assignedtouser[GETPOST('assignedtouser')]=array('transparency'=>GETPOST('transparency'),'mandatory'=>1);
 		$_SESSION['assignedtouser']=dol_json_encode($assignedtouser);
 	}
 	$donotclearsession=1;
@@ -647,11 +647,11 @@ if ($action == 'create')
 	print '<tr><td class="nowrap">'.$langs->trans("ActionAffectedTo").'</td><td>';
 	if (empty($donotclearsession))
 	{
-		$assignedtouser=GETPOST("affectedtouser")?GETPOST("affectedtouser"):(! empty($object->usertodo->id) && $object->usertodo->id > 0 ? $object->usertodo->id : $user->id);
+		$assignedtouser=GETPOST("assignedtouser")?GETPOST("assignedtouser"):(! empty($object->usertodo->id) && $object->usertodo->id > 0 ? $object->usertodo->id : $user->id);
 		$_SESSION['assignedtouser']=dol_json_encode(array($assignedtouser=>array('transparency'=>1,'mandatory'=>1)));
 	}
-	print $form->select_dolusers_forevent(($action=='create'?'add':'update'),'affectedto',1);
-	//print $form->select_dolusers(GETPOST("affectedto")?GETPOST("affectedto"):(! empty($object->usertodo->id) && $object->usertodo->id > 0 ? $object->usertodo->id : $user->id),'affectedto',1);
+	print $form->select_dolusers_forevent(($action=='create'?'add':'update'),'assignedtouser',1);
+	//print $form->select_dolusers(GETPOST("assignedtouser")?GETPOST("assignedtouser"):(! empty($object->usertodo->id) && $object->usertodo->id > 0 ? $object->usertodo->id : $user->id),'affectedto',1);
 	print '</td></tr>';
 
 	print '</table>';
@@ -904,8 +904,8 @@ if ($id > 0)
 			if (is_object($object->usertodo)) $listofuserid[$object->usertodo->id]=array('id'=>$object->usertodo->id,'transparency'=>$object->transparency);
 			$_SESSION['assignedtouser']=dol_json_encode($listofuserid);
 		}
-		print $form->select_dolusers_forevent(($action=='create'?'add':'update'),'affectedto',1);
-		//print $form->select_dolusers($object->usertodo->id>0?$object->usertodo->id:-1,'affectedto',1);
+		print $form->select_dolusers_forevent(($action=='create'?'add':'update'),'assignedtouser',1);
+		//print $form->select_dolusers($object->usertodo->id>0?$object->usertodo->id:-1,'assignedtouser',1);
 		print '</td></tr>';
 
         print '</table><br><br><table class="border" width="100%">';
diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index 731d82dba2f..f1acf8c29b4 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -211,22 +211,43 @@ class ActionComm extends CommonObject
         {
             $this->id = $this->db->last_insert_id(MAIN_DB_PREFIX."actioncomm","id");
 
-            // Actions on extra fields (by external module or standard code)
-            $hookmanager->initHooks(array('actioncommdao'));
-            $parameters=array('actcomm'=>$this->id);
-            $reshook=$hookmanager->executeHooks('insertExtraFields',$parameters,$this,$action);    // Note that $action and $object may have been modified by some hooks
-            if (empty($reshook))
+            // Now insert assignedusers
+			if (! $error)
+			{
+				foreach($this->userassigned as $key => $val)
+				{
+					$sql ="INSERT INTO ".MAIN_DB_PREFIX."actioncomm_resources(fk_actioncomm, element_type, fk_element, mandatory, transparency, answer_status)";
+					$sql.=" VALUES(".$this->id.", 'user', ".$val['id'].", 0, ".$val['transparency'].", 0)";
+
+					$resql = $this->db->query($sql);
+					if (! $resql)
+					{
+						$error++;
+		           		$this->errors[]=$this->db->lasterror();
+					}
+					//var_dump($sql);exit;
+				}
+			}
+
+            if (! $error)
             {
-            	if (empty($conf->global->MAIN_EXTRAFIELDS_DISABLED)) // For avoid conflicts if trigger used
-            	{
-            		$result=$this->insertExtraFields();
-            		if ($result < 0)
-            		{
-            			$error++;
-            		}
-            	}
+	            // Actions on extra fields (by external module or standard code)
+	            $hookmanager->initHooks(array('actioncommdao'));
+	            $parameters=array('actcomm'=>$this->id);
+	            $reshook=$hookmanager->executeHooks('insertExtraFields',$parameters,$this,$action);    // Note that $action and $object may have been modified by some hooks
+	            if (empty($reshook))
+	            {
+	            	if (empty($conf->global->MAIN_EXTRAFIELDS_DISABLED)) // For avoid conflicts if trigger used
+	            	{
+	            		$result=$this->insertExtraFields();
+	            		if ($result < 0)
+	            		{
+	            			$error++;
+	            		}
+	            	}
+	            }
+	            else if ($reshook < 0) $error++;
             }
-            else if ($reshook < 0) $error++;
 
             if (! $error && ! $notrigger)
             {
diff --git a/htdocs/comm/action/peruser.php b/htdocs/comm/action/peruser.php
index abd8b71a699..22f968e2b4a 100644
--- a/htdocs/comm/action/peruser.php
+++ b/htdocs/comm/action/peruser.php
@@ -656,7 +656,7 @@ jQuery(document).ready(function() {
 		if (ids == \'none\') /* No event */
 		{
 			/* alert(\'no event\'); */
-			url = "'.DOL_URL_ROOT.'/comm/action/card.php?action=create&affectedto="+userid+"&datep="+year+month+day+hour+min+"00&backtopage='.urlencode($_SERVER["PHP_SELF"].'?year='.$year.'&month='.$month.'&day='.$day).'"
+			url = "'.DOL_URL_ROOT.'/comm/action/card.php?action=create&assignedtouser="+userid+"&datep="+year+month+day+hour+min+"00&backtopage='.urlencode($_SERVER["PHP_SELF"].'?year='.$year.'&month='.$month.'&day='.$day).'"
 			window.location.href = url;
 		}
 		else if (ids.indexOf(",") > -1)	/* There is several events */
diff --git a/htdocs/install/mysql/migration/3.6.0-3.7.0.sql b/htdocs/install/mysql/migration/3.6.0-3.7.0.sql
index dab26d32934..0ae4ee8bd22 100644
--- a/htdocs/install/mysql/migration/3.6.0-3.7.0.sql
+++ b/htdocs/install/mysql/migration/3.6.0-3.7.0.sql
@@ -131,6 +131,8 @@ ALTER TABLE llx_user ADD COLUMN weeklyhours double(16,8);
 
 ALTER TABLE llx_projet_task_time ADD COLUMN task_datehour datetime after task_date;
 
+ALTER TABLE llx_actioncomm_resources CHANGE COLUMN transparent transparency smallint default 1;
+
 
 -- Localtaxes by thirds
 ALTER TABLE llx_c_tva MODIFY COLUMN localtax1 varchar(10);
@@ -1071,11 +1073,11 @@ CREATE TABLE llx_fichinterdet_extrafields
 
 ALTER TABLE llx_fichinterdet_extrafields ADD INDEX idx_ficheinterdet_extrafields (fk_object);
 
-CREATE TABLE IF NOT EXISTS llx_usergroup_extrafields (
+CREATE TABLE llx_usergroup_extrafields (
   rowid                     integer AUTO_INCREMENT PRIMARY KEY,
   tms                       timestamp,
   fk_object                 integer NOT NULL,
   import_key                varchar(14)                          		-- import key
-) ENGINE=InnoDB ;
+) ENGINE=innodb;
 
 ALTER TABLE llx_usergroup_extrafields ADD INDEX idx_usergroup_extrafields (fk_object);
diff --git a/htdocs/install/mysql/tables/llx_actioncomm_resources.sql b/htdocs/install/mysql/tables/llx_actioncomm_resources.sql
index bd48ad4f66d..484cd39fb82 100644
--- a/htdocs/install/mysql/tables/llx_actioncomm_resources.sql
+++ b/htdocs/install/mysql/tables/llx_actioncomm_resources.sql
@@ -23,10 +23,10 @@
 create table llx_actioncomm_resources
 (
   rowid           	integer AUTO_INCREMENT PRIMARY KEY,  
-  fk_actioncomm		integer NOT NULL,
-  element_type		varchar(50) NOT NULL,
-  fk_element		integer NOT NULL,
+  fk_actioncomm		integer NOT NULL,			-- Id into llx_actioncomm
+  element_type		varchar(50) NOT NULL,		-- Type of resource ('user', 'resource')
+  fk_element		integer NOT NULL,			-- Id into table llx_user or llx_resource
   answer_status		varchar(50) NULL,
-  mandatory		smallint,
-  transparent		smallint
+  mandatory			smallint,
+  transparency		smallint default 1	    -- Used to say if event is 1=OPAQUE=busy or 0=TRANSPARENT
 ) ENGINE=innodb;