diff --git a/index.d.ts b/index.d.ts
index 4dd583c..24868e9 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -383,6 +383,28 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param options options
      */
     xmlParse(xml:string, options?: {}): any
+
+    /**
+     * get cookie from http header
+     * 
+     * @param name cookie name
+     */
+    cookieGet(name: string): string
+
+    /**
+     * set cookie via http header
+     * 
+     * @param name cookie name
+     * @param value cookie value
+     * @param options cookie options
+     */
+    cookieSet(name: string, value: string, options?:{
+        maxAge?: number
+        path?:string
+        domain?:string
+        secure?:boolean
+        httpOnly?:boolean
+    }): void
 }
 
 export interface HookException {