symfony
diff --git a/‎security/expressions.rst
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+4Lines changed: 4 additions & 0 deletions b/‎security/expressions.rst
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+4Lines changed: 4 additions & 0 deletions
@@ -42,6 +42,10 @@ Inside the expression, you have access to a number of variables:
     The array of roles the user has. This array includes any roles granted
     indirectly via the :ref:`role hierarchy <security-role-hierarchy>` but it
     does not include the ``IS_AUTHENTICATED_*`` attributes (see the functions below).
+``role_names``
+    A string representation of the roles the user has. This array includes any roles granted
+    indirectly via the :ref:`role hierarchy <security-role-hierarchy>` but it
+    does not include the ``IS_AUTHENTICATED_*`` attributes (see the functions below).
 ``object``
     The object (if any) that's passed as the second argument to ``isGranted()``.
 ``token``