diff --git a/chrome/chrome-app.d.ts b/chrome/chrome-app.d.ts
index 3b63357986..1019f4066c 100644
--- a/chrome/chrome-app.d.ts
+++ b/chrome/chrome-app.d.ts
@@ -6,6 +6,17 @@
 /// <reference path="chrome.d.ts"/>
 /// <reference path='../filesystem/filesystem.d.ts'/>
 
+////////////////////
+// App
+////////////////////
+declare namespace chrome.app {
+	interface AppDetails extends chrome.runtime.Manifest {
+		id: string;
+	}
+
+	export function getDetails(): AppDetails;
+}
+
 ////////////////////
 // App Runtime
 ////////////////////