--- a/src/pyams_workflow/versions.py	Thu Oct 08 11:37:30 2015 +0200
+++ b/src/pyams_workflow/versions.py	Thu Oct 08 11:38:12 2015 +0200
@@ -48,6 +48,7 @@
     source_version = FieldProperty(IWorkflowStateHistoryItem['source_version'])
     source_state = FieldProperty(IWorkflowStateHistoryItem['source_state'])
     target_state = FieldProperty(IWorkflowStateHistoryItem['target_state'])
+    transition_id = FieldProperty(IWorkflowStateHistoryItem['transition_id'])
     transition = FieldProperty(IWorkflowStateHistoryItem['transition'])
     principal = FieldProperty(IWorkflowStateHistoryItem['principal'])
     comment = FieldProperty(IWorkflowStateHistoryItem['comment'])
@@ -65,6 +66,7 @@
     _state = None
     _state_date = FieldProperty(IWorkflowState['state_date'])
     _state_principal = FieldProperty(IWorkflowState['state_principal'])
+    state_urgency = FieldProperty(IWorkflowState['state_urgency'])
 
     def __init__(self):
         self.history = PersistentList()
@@ -102,6 +104,7 @@
                                source_state=translate(workflow.states.getTerm(event.source).title)
                                             if event.source else None,
                                target_state=translate(workflow.states.getTerm(event.destination).title),
+                               transition_id=event.transition.transition_id,
                                transition=translate(event.transition.title),
                                principal=request.principal.id,
                                comment=event.comment)
@@ -118,6 +121,7 @@
                                source_version=IWorkflowState(event.old_object).version_id,
                                source_state=translate(workflow.states.getTerm(event.source).title),
                                target_state=translate(workflow.states.getTerm(event.destination).title),
+                               transition_id=event.transition.transition_id,
                                transition=translate(event.transition.title),
                                principal=request.principal.id,
                                comment=event.comment)
@@ -217,10 +221,15 @@
         versions.append(version_id)
         self.versions_by_state[state] = versions
 
-    def has_version(self, state):
-        if state is None:
-            state = '__none__'
-        return bool(self.versions_by_state.get(state, ()))
+    def has_version(self, states):
+        if states is None:
+            states = '__none__'
+        if not isinstance(states, (list, tuple, set)):
+            states = {states}
+        for state in states:
+            if bool(self.versions_by_state.get(state, ())):
+                return True
+        return False
 
     def remove_version(self, version_id, state='deleted', comment=None):
         if str(version_id) not in self: