diff --git a/utils/api.js b/utils/api.js
index 953c2fe..5a860a8 100644
--- a/utils/api.js
+++ b/utils/api.js
@@ -159,6 +159,12 @@ class API {
         return room.toString().padStart(3, "0");
     }
 
+    groups = [
+        ["celá třída"],
+        ["Skupina 1", "Skupina 2"],
+        ["Cizý jazyk 1", "Cizý jazyk 2"]
+    ]
+
     map = {
         "1A": "1U",
         "1B": "1V",