diff --git a/angular-hotkeys/angular-hotkeys.d.ts b/angular-hotkeys/angular-hotkeys.d.ts
index f209fbe08..63da273ce 100644
--- a/angular-hotkeys/angular-hotkeys.d.ts
+++ b/angular-hotkeys/angular-hotkeys.d.ts
@@ -1,6 +1,6 @@
 // Type definitions for angular-hotkeys
 // Project: https://github.com/chieffancypants/angular-hotkeys
-// Definitions by: Jason Zhao <https://github.com/jlz27>
+// Definitions by: Jason Zhao <https://github.com/jlz27>, Stefan Steinhart <https://github.com/reppners>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
 /// <reference path="../angularjs/angular.d.ts" />
@@ -9,21 +9,28 @@ declare module ng.hotkeys {
 
     interface HotkeysProvider {
         template: string;
+        templateTitle:string;
         includeCheatSheet: boolean;
         cheatSheetHotkey: string;
         cheatSheetDescription: string;
 
-        add(combo: string, description: string, callback: (event: Event, hotkeys: ng.hotkeys.Hotkey) => void): void;
+        add(combo: string, callback: (event: Event, hotkey?: Hotkey) => void, action?: string, allowIn?: Array<string>, persistent?: boolean): ng.hotkeys.Hotkey;
 
-        add(hotkeyObj: ng.hotkeys.Hotkey): void;
+        add(combo: string, description: string, callback: (event: Event, hotkey?: Hotkey) => void, action?: string, allowIn?: Array<string>, persistent?: boolean): ng.hotkeys.Hotkey;
+
+        add(hotkeyObj: ng.hotkeys.Hotkey): ng.hotkeys.Hotkey;
 
         bindTo(scope : ng.IScope): ng.hotkeys.HotkeysProviderChained;
 
         del(combo: string): void;
 
+        del(hotkeyObj: ng.hotkeys.Hotkey): void;
+
         get(combo: string): ng.hotkeys.Hotkey;
 
         toggleCheatSheet(): void;
+
+        purgeHotkeys(): void;
     }
 
     interface HotkeysProviderChained {
@@ -36,5 +43,8 @@ declare module ng.hotkeys {
         combo: string;
         description?: string;
         callback: (event: Event, hotkey: ng.hotkeys.Hotkey) => void;
+        action?: string;
+        allowIn?: Array<string>;
+        persistent?: boolean;
     }
 }