diff --git a/sdkjs-plugins/v1/onlyoffice-types/index.d.ts b/sdkjs-plugins/v1/onlyoffice-types/index.d.ts
index 0d183516..ec14deb5 100644
--- a/sdkjs-plugins/v1/onlyoffice-types/index.d.ts
+++ b/sdkjs-plugins/v1/onlyoffice-types/index.d.ts
@@ -21,6 +21,7 @@ interface Asc {
     plugin: AscPlugin;
     scope: Object<any>;
     PluginWindow: new () => PluginWindow;
+    ButtonContextMenu: new () => ButtonContextMenu;
 }
 
 interface AscPlugin {
@@ -53,6 +54,12 @@ interface PluginWindow {
     command: (methodName: string, payload?: any) => void;
 }
 
+interface ButtonContextMenu {
+    text: string;
+    attachOnClick: (callback: () => void) => void;
+    addCheckers: (key: string, value?: string) => void;
+}
+
 interface ExecuteCommandCallback {
     (command: string, value?: any, callback?: () => void): void;
 }