diff --git a/types/react-native-navigation/index.d.ts b/types/react-native-navigation/index.d.ts
index c380b4ae7e..c1d096fe5f 100644
--- a/types/react-native-navigation/index.d.ts
+++ b/types/react-native-navigation/index.d.ts
@@ -18,6 +18,7 @@ export namespace Navigation {
     function handleDeepLink(params?: { link: string; payload?: string; }): void;
     function registerScreen(screenId: string, generator: () => React.ComponentType<any>): void;
     function getCurrentlyVisibleScreenId(): Promise<string>;
+    function isAppLaunched(): Promise<boolean>;
 }
 
 export interface TabBasedApp {
@@ -155,6 +156,11 @@ export class ScreenVisibilityListener {
     unregister(): void;
 }
 
+export class NativeEventsReceiver {
+    constructor();
+    appLaunched(callback: () => void): void;
+}
+
 export interface ScreenVisibilityListenerParams {
     willAppear?: (params: ListenerParams) => void;
     didAppear?: (params: ListenerParams) => void;