diff --git a/doc/common/apidoc/index.json b/doc/common/apidoc/index.json
index 901e3f464..b286a3aaf 100644
--- a/doc/common/apidoc/index.json
+++ b/doc/common/apidoc/index.json
@@ -31950,6 +31950,14 @@
                             "default": "",
                             "description": "Used to pass attributes to the separator's DOM element."
                         },
+                        {
+                            "name": "menubutton",
+                            "optional": true,
+                            "readonly": false,
+                            "type": "MegaMenuPassThroughOptionType",
+                            "default": "",
+                            "description": "Used to pass attributes to the mobile popup menu button's DOM element."
+                        },
                         {
                             "name": "start",
                             "optional": true,