diff --git a/pype/ftrack/actions/action_createCustomAttributes.py b/pype/ftrack/actions/action_createCustomAttributes.py
index ad1e1af5b9..d45a92a01d 100644
--- a/pype/ftrack/actions/action_createCustomAttributes.py
+++ b/pype/ftrack/actions/action_createCustomAttributes.py
@@ -53,11 +53,19 @@ class AvalonIdAttribute(BaseAction):
         })
         session.commit()
         try:
+            # Checkbox for event sync
+            cbxSyncName = 'avalon_auto_sync'
+            cbxSyncLabel = 'Avalon auto-sync'
+            cbxSyncExist = False
+
             # Attribute Name and Label
             custAttrName = 'avalon_mongo_id'
             custAttrLabel = 'Avalon/Mongo Id'
+
+            attrs_update = set()
             # Types that don't need object_type_id
             base = {'show'}
+
             # Don't create custom attribute on these entity types:
             exceptions = ['task', 'milestone']
             exceptions.extend(base)
@@ -77,6 +85,7 @@ class AvalonIdAttribute(BaseAction):
 
             # Get IDs of filtered object types
             all_obj_types_id = set()
+
             for obj in all_obj_types:
                 all_obj_types_id.add(obj['id'])
 
@@ -84,11 +93,16 @@ class AvalonIdAttribute(BaseAction):
             current_cust_attr = session.query('CustomAttributeConfiguration').all()
             # Filter already existing AvalonMongoID attr.
             for attr in current_cust_attr:
+                if attr['key'] == cbxSyncName:
+                    cbxSyncExist = True
+                    cbxAttribute = attr
                 if attr['key'] == custAttrName:
                     if attr['entity_type'] in base:
                         base.remove(attr['entity_type'])
+                        attrs_update.add(attr)
                     if attr['object_type_id'] in all_obj_types_id:
                         all_obj_types_id.remove(attr['object_type_id'])
+                        attrs_update.add(attr)
 
             # Set session back to begin("session.query" raises error on commit)
             session.rollback()
@@ -116,6 +130,24 @@ class AvalonIdAttribute(BaseAction):
             else:
                 group = groups[0]
 
+            # Checkbox for auto-sync event / Create or Update(roles + group)
+            if cbxSyncExist is False:
+                cbxType = session.query('CustomAttributeType where name is "boolean"').first()
+                session.create('CustomAttributeConfiguration', {
+                    'entity_type': 'show',
+                    'type': cbxType,
+                    'label': cbxSyncLabel,
+                    'key': cbxSyncName,
+                    'default': False,
+                    'write_security_roles': roles,
+                    'read_security_roles': roles,
+                    'group':group,
+                })
+            else:
+                cbxAttribute['write_security_roles'] = roles
+                cbxAttribute['read_security_roles'] = roles
+                cbxAttribute['group'] = group
+
             for entity_type in base:
                 # Create a custom attribute configuration.
                 session.create('CustomAttributeConfiguration', {
@@ -145,11 +177,18 @@ class AvalonIdAttribute(BaseAction):
                     'config': json.dumps({'markdown': False})
                 })
 
+            for attr in attrs_update:
+                attr['write_security_roles'] = roles
+                attr['read_security_roles'] = roles
+                attr['group'] = group
+
             job['status'] = 'done'
             session.commit()
 
         except Exception as e:
+            session.rollback()
             job['status'] = 'failed'
+            session.commit()
             self.log.error("Creating custom attributes failed ({})".format(e))
 
         return True