diff --git a/nur_src/ldap/IObjectWorkflow.php b/nur_src/ldap/IObjectWorkflow.php
index 1eca80e..5fe601a 100644
--- a/nur_src/ldap/IObjectWorkflow.php
+++ b/nur_src/ldap/IObjectWorkflow.php
@@ -11,9 +11,11 @@ interface IObjectWorkflow {
 
   /**
    * synchroniser les données spécifiées vers l'objet correspndant, en le créant
-   * si nécessaire
+   * si nécessaire.
+   *
+   * $updated=true si l'objet a été créé ou mis à jour, false sinon
    */
-  function createOrUpdate(array $data, ?array $params=null): LdapObject;
+  function createOrUpdate(array $data, ?array $params=null, ?bool &$updated=null): LdapObject;
 
   /**
    * modifier uniquement le mot de passe de l'objet correspondant
diff --git a/nur_src/v/icon.php b/nur_src/v/icon.php
index d9c25f6..2a92895 100644
--- a/nur_src/v/icon.php
+++ b/nur_src/v/icon.php
@@ -56,6 +56,7 @@ class icon {
   static final function config(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("config", $suffix, $alt); }
   static final function save(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("save", $suffix, $alt); }
   static final function download(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("download", $suffix, $alt); }
+  static final function bin(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("bin", $suffix, $alt); }
   static final function mail(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("mail", $suffix, $alt); }
   static final function search(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("search", $suffix, $alt); }
   static final function user(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("user", $suffix, $alt); }
@@ -89,6 +90,9 @@ class icon {
   static final function heart(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("heart", $suffix, $alt); }
   static final function heart_empty(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("heart_empty", $suffix, $alt); }
 
+  static final function plus(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("plus", $suffix, $alt); }
+  static final function minus(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("minus", $suffix, $alt); }
+
   # template:
   #static final function xxx(?string $suffix=null, ?string $alt=null): array { return self::manager()->getIcon("xxx", $suffix, $alt); }
 }
diff --git a/src/output/std/ProxyMessenger.php b/src/output/std/ProxyMessenger.php
index 7711071..14cc99e 100644
--- a/src/output/std/ProxyMessenger.php
+++ b/src/output/std/ProxyMessenger.php
@@ -78,7 +78,7 @@ class ProxyMessenger implements IMessenger {
       $msg->action($content, null, $level);
       if ($msg instanceof _IMessenger) {
         $useFunc = true;
-        $untils[] = $msg->_getTitleMark();
+        $untils[] = $msg->_getActionMark();
       }
     }
     if ($useFunc && $func !== null) {
diff --git a/src/output/std/StdMessenger.php b/src/output/std/StdMessenger.php
index f762fae..f35a3cd 100644
--- a/src/output/std/StdMessenger.php
+++ b/src/output/std/StdMessenger.php
@@ -584,6 +584,9 @@ class StdMessenger implements _IMessenger {
           elseif ($result === false) $this->afailure();
           else $this->adone($result);
         }
+      } catch (Exception $e) {
+        $this->afailure($e);
+        throw $e;
       } finally {
         $this->_endAction($until);
       }
diff --git a/tbin/legacy-test-action.php b/tbin/legacy-test-action.php
new file mode 100755
index 0000000..c56a70f
--- /dev/null
+++ b/tbin/legacy-test-action.php
@@ -0,0 +1,34 @@
+#!/usr/bin/php
+<?php
+require(__DIR__.'/../vendor/autoload.php');
+
+use nur\cli\Application;
+use nur\sery\output\IMessenger;
+use nur\sery\output\msg;
+use nur\sery\UserException;
+
+Application::run(new class extends Application {
+  function main() {
+    msg::section("ma section");
+    msg::action("first", function (IMessenger $msg) {
+      msg::action("second", function (IMessenger $msg) {
+        msg::action("third", function (IMessenger $msg) {
+          $msg->info("hello world");
+          $msg->asuccess(null, msg::DEBUG);
+        });
+        $msg->asuccess();
+      });
+      $msg->asuccess(null, msg::DEBUG);
+    });
+    msg::action("first2", function (IMessenger $msg) {
+      msg::action("second2", function (IMessenger $msg) {
+        msg::action("third2", function (IMessenger $msg) {
+          $msg->info("hello world2");
+          $msg->asuccess(null, msg::DEBUG);
+        });
+        $msg->asuccess();
+      });
+      $msg->asuccess(null, msg::DEBUG);
+    });
+  }
+});