diff --git a/bt5/erp5_base/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml b/bt5/erp5_base/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml
index e9a94988405ca2be2c3faa4685062b5f8227bd65..9b9c1dadb4dc5edc35d930733fc59145d8a625b9 100644
--- a/bt5/erp5_base/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml
+++ b/bt5/erp5_base/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml
@@ -49,11 +49,11 @@
  </chain>
  <chain>
   <type>File</type>
-  <workflow>edit_workflow</workflow>
+  <workflow>cached_convertible_interaction_workflow, edit_workflow</workflow>
  </chain>
  <chain>
   <type>Image</type>
-  <workflow>edit_workflow</workflow>
+  <workflow>cached_convertible_interaction_workflow, edit_workflow</workflow>
  </chain>
  <chain>
   <type>Link</type>
@@ -61,7 +61,7 @@
  </chain>
  <chain>
   <type>Notification Message</type>
-  <workflow>edit_workflow, notification_message_workflow</workflow>
+  <workflow>cached_convertible_interaction_workflow, edit_workflow, notification_message_workflow</workflow>
  </chain>
  <chain>
   <type>Organisation</type>
diff --git a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow.xml b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow.xml
new file mode 100644
index 0000000000000000000000000000000000000000..21ed7da19c56dc05415fa77b35eed804f542616d
--- /dev/null
+++ b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="InteractionWorkflowDefinition" module="Products.ERP5.InteractionWorkflow"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_objects</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>groups</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>cached_convertible_interaction_workflow</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/interactions.xml b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/interactions.xml
new file mode 100644
index 0000000000000000000000000000000000000000..6788072919f778201f1ac6bad0ff8edc16dcc3e4
--- /dev/null
+++ b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/interactions.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="Interaction" module="Products.ERP5.Interaction"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_mapping</string> </key>
+            <value>
+              <dictionary/>
+            </value>
+        </item>
+        <item>
+            <key> <string>_objects</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>interactions</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/interactions/Document_updateContentMd5.xml b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/interactions/Document_updateContentMd5.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0e416010e043d4ff05de5051518bfec2a92b0613
--- /dev/null
+++ b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/interactions/Document_updateContentMd5.xml
@@ -0,0 +1,94 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="InteractionDefinition" module="Products.ERP5.Interaction"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>actbox_category</string> </key>
+            <value> <string>workflow</string> </value>
+        </item>
+        <item>
+            <key> <string>actbox_name</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>actbox_url</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>activate_script_name</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>after_script_name</string> </key>
+            <value>
+              <list>
+                <string>updateContentMd5</string>
+              </list>
+            </value>
+        </item>
+        <item>
+            <key> <string>before_commit_script_name</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>guard</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Document_updateContentMd5</string> </value>
+        </item>
+        <item>
+            <key> <string>method_id</string> </key>
+            <value>
+              <list>
+                <string>_setFile,</string>
+                <string>_setTextContent</string>
+              </list>
+            </value>
+        </item>
+        <item>
+            <key> <string>once_per_transaction</string> </key>
+            <value> <int>0</int> </value>
+        </item>
+        <item>
+            <key> <string>portal_type_filter</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>script_name</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>trigger_type</string> </key>
+            <value> <int>2</int> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/scripts.xml b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/scripts.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0622b3c34fa5ffe83ab080066492f760b230dadf
--- /dev/null
+++ b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/scripts.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="Scripts" module="Products.DCWorkflow.Scripts"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_mapping</string> </key>
+            <value>
+              <dictionary/>
+            </value>
+        </item>
+        <item>
+            <key> <string>_objects</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>scripts</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/scripts/updateContentMd5.xml b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/scripts/updateContentMd5.xml
new file mode 100644
index 0000000000000000000000000000000000000000..de7d06af317e5ec75b551a0df7282a75b2abbf43
--- /dev/null
+++ b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/scripts/updateContentMd5.xml
@@ -0,0 +1,125 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_body</string> </key>
+            <value> <string>document = state_change[\'object\']\n
+document.updateContentMd5()\n
+</string> </value>
+        </item>
+        <item>
+            <key> <string>_code</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string>state_change</string> </value>
+        </item>
+        <item>
+            <key> <string>errors</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_code</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="FuncCode" module="Shared.DC.Scripts.Signature"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>co_argcount</string> </key>
+                        <value> <int>1</int> </value>
+                    </item>
+                    <item>
+                        <key> <string>co_varnames</string> </key>
+                        <value>
+                          <tuple>
+                            <string>state_change</string>
+                            <string>_getitem_</string>
+                            <string>document</string>
+                            <string>_getattr_</string>
+                          </tuple>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_defaults</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>updateContentMd5</string> </value>
+        </item>
+        <item>
+            <key> <string>warnings</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/variables.xml b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/variables.xml
new file mode 100644
index 0000000000000000000000000000000000000000..55472322781f3cf4d5b0026616f99218a03efb1b
--- /dev/null
+++ b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/variables.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="Variables" module="Products.DCWorkflow.Variables"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_mapping</string> </key>
+            <value>
+              <dictionary/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>variables</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/worklists.xml b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/worklists.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1f8b17b01278f4c455558cd9d0b05357fdd86a7a
--- /dev/null
+++ b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/cached_convertible_interaction_workflow/worklists.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="Worklists" module="Products.DCWorkflow.Worklists"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_mapping</string> </key>
+            <value>
+              <dictionary/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>worklists</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_base/bt/revision b/bt5/erp5_base/bt/revision
index 849eaf846afa36e3886600eca759f81d637bd064..a42ae079d025d6aa46aa0210299c88c7fa8df4e3 100644
--- a/bt5/erp5_base/bt/revision
+++ b/bt5/erp5_base/bt/revision
@@ -1 +1 @@
-722
\ No newline at end of file
+725
\ No newline at end of file
diff --git a/bt5/erp5_base/bt/template_portal_type_workflow_chain_list b/bt5/erp5_base/bt/template_portal_type_workflow_chain_list
index 7bdcf8fccece1b5854673ab6f0dc68fdfcb16969..542fa471a851d3a85af631f67543c2bb41eecf43 100644
--- a/bt5/erp5_base/bt/template_portal_type_workflow_chain_list
+++ b/bt5/erp5_base/bt/template_portal_type_workflow_chain_list
@@ -16,9 +16,12 @@ Currency | edit_workflow
 Currency | validation_workflow
 Email | edit_workflow
 Fax | edit_workflow
+File | cached_convertible_interaction_workflow
 File | edit_workflow
+Image | cached_convertible_interaction_workflow
 Image | edit_workflow
 Link | edit_workflow
+Notification Message | cached_convertible_interaction_workflow
 Notification Message | edit_workflow
 Notification Message | notification_message_workflow
 Organisation | edit_workflow
diff --git a/bt5/erp5_base/bt/template_workflow_id_list b/bt5/erp5_base/bt/template_workflow_id_list
index 8fba933cc8c06dc2009cd78b23345dfcada00559..3eb34fa2d0ca8bdffb532b253625837135ea07ba 100644
--- a/bt5/erp5_base/bt/template_workflow_id_list
+++ b/bt5/erp5_base/bt/template_workflow_id_list
@@ -1,4 +1,5 @@
 assignment_workflow
+cached_convertible_interaction_workflow
 career_workflow
 currency_exchange_line_interaction_workflow
 delivery_causality_interaction_workflow