diff --git a/docker/initial-data.json b/docker/initial-data.json
index 37f01a86d..5e41638f8 100644
--- a/docker/initial-data.json
+++ b/docker/initial-data.json
@@ -93,6 +93,7 @@
         "location": "",
         "start_time": 0,
         "end_time": 0,
+        "imported_at": null,
 
         "jitsi_domain": "",
         "jitsi_room_name": "",
@@ -592,7 +593,7 @@
         "preview_projection_ids": [],
         "history_projection_ids": [],
         "used_as_reference_projector_meeting_id": 1,
-        
+
         "used_as_default_$_in_meeting_id": [
             "agenda_all_items",
             "topics",
diff --git a/docs/example-data.json b/docs/example-data.json
index 220f9d789..e1161c37e 100644
--- a/docs/example-data.json
+++ b/docs/example-data.json
@@ -41,7 +41,7 @@
         "committee_ids": [1],
         "committee_$_management_level": ["1"],
         "committee_$1_management_level": "can_manage",
-        
+
         "comment_$": ["1"],
         "comment_$1": "Test comment",
         "number_$": ["1"],
@@ -237,6 +237,7 @@
         "location": "",
         "start_time": 0,
         "end_time": 0,
+        "imported_at": null,
         "welcome_title": "Welcome to OpenSlides",
         "welcome_text": "[Space for your welcome text.]",
 
@@ -2633,7 +2634,7 @@
         "preview_projection_ids": [],
         "history_projection_ids": [],
         "used_as_reference_projector_meeting_id": 1,
-    
+
         "used_as_default_$_in_meeting_id": [
             "list_of_speakers",
             "current_list_of_speakers"
diff --git a/docs/models.yml b/docs/models.yml
index 826764f92..8a89ec7eb 100644
--- a/docs/models.yml
+++ b/docs/models.yml
@@ -343,6 +343,7 @@ meeting:
   location: string
   start_time: timestamp
   end_time: timestamp
+  imported_at: timestamp
 
   # Configuration (only for the server owner)
   jitsi_domain:
@@ -2067,13 +2068,13 @@ projector:
   show_header_footer:
     type: boolean
     default: true
-  show_title: 
+  show_title:
     type: boolean
     default: true
-  show_logo: 
+  show_logo:
     type: boolean
     default: true
-  show_clock: 
+  show_clock:
     type: boolean
     default: true