diff --git a/docs/example-data.json b/docs/example-data.json
index c67c2e8e1..d58c4d700 100644
--- a/docs/example-data.json
+++ b/docs/example-data.json
@@ -1198,6 +1198,8 @@
         "forwarding_tree_motion_ids": [],
         "state_id": 1,
         "recommendation_id": null,
+        "recommendation_extension_reference_ids": [],
+        "referenced_in_motion_recommendation_extension_ids": [],
         "category_id": 2,
         "block_id": null,
         "submitter_ids": [1],
@@ -1240,6 +1242,8 @@
         "forwarding_tree_motion_ids": [],
         "state_id": 1,
         "recommendation_id": null,
+        "recommendation_extension_reference_ids": [],
+        "referenced_in_motion_recommendation_extension_ids": [],
         "category_id": 1,
         "block_id": null,
         "submitter_ids": [2],
@@ -1282,6 +1286,8 @@
         "forwarding_tree_motion_ids": [],
         "state_id": 1,
         "recommendation_id": null,
+        "recommendation_extension_reference_ids": [],
+        "referenced_in_motion_recommendation_extension_ids": [],
         "category_id": 2,
         "block_id": 1,
         "submitter_ids": [3],
@@ -1311,6 +1317,8 @@
         "category_weight": 10000,
         "state_extension": null,
         "recommendation_extension": null,
+        "recommendation_extension_reference_ids": [],
+        "referenced_in_motion_recommendation_extension_ids": [],
         "sort_weight": 10000,
         "created": 1584512346,
         "last_modified": 1584512346,
diff --git a/docs/models.txt b/docs/models.txt
index 7f8869d3a..24adf6247 100644
--- a/docs/models.txt
+++ b/docs/models.txt
@@ -430,6 +430,8 @@ Interface motion {
     forwarding_tree_motion_ids: (Id)[]; // Calculated: All children (derived_motion_ids), grand children, ... and all parents (origin_id).
     state_id: motion_state/motion_ids;
     recommendation_id: motion_state/motion_recommendation_ids;
+    recommendation_extension_reference_ids: (*/referenced_in_motion_recommendation_extension_ids)[]; // current option: motion
+    referenced_in_motion_recommendation_extension_ids: (motion/recommendation_extension_reference_ids)[];
     category_id: motion_category/motion_ids;
     block_id: motion_block/motion_ids;
     submitter_ids: (motion_submitter/motion_id)[];