diff --git a/api.v1.yaml b/api.v1.yaml
index 186c319..445d38e 100644
--- a/api.v1.yaml
+++ b/api.v1.yaml
@@ -677,6 +677,10 @@ paths:
         name: macro_id
         in: path
         required: true
+      - schema:
+          type: integer
+        name: weekday
+        in: query
     put:
       summary: execute a macro
       tags: