diff --git a/arkindex/schema.yml b/arkindex/schema.yml
index d1a239e0e2155b0f7f20f9a6516eb72a80fe3ccc..e13e9d08b4dabda854155c78e9a2332071a7317b 100644
--- a/arkindex/schema.yml
+++ b/arkindex/schema.yml
@@ -3418,6 +3418,15 @@ paths:
       tags:
       - search
   /api/v1/elements/selection/:
+    delete:
+      description: Remove a specific element or delete any selection
+      operationId: RemoveSelection
+      parameters: []
+      responses:
+        '204':
+          description: ''
+      tags:
+      - elements
     get:
       description: List all elements selected
       operationId: ListSelection
@@ -3543,6 +3552,26 @@ paths:
           description: ''
       tags:
       - elements
+    post:
+      description: Add a specific element
+      operationId: AddSelection
+      parameters: []
+      requestBody:
+        content:
+          application/json:
+            schema:
+              properties:
+                id:
+                  format: uuid
+                  type: string
+              required:
+              - id
+        x-name: body
+      responses:
+        '200':
+          description: ''
+      tags:
+      - elements
   /api/v1/elements/{id}/:
     get:
       description: List all parents and children of a single element