diff --git a/index.js b/index.js
index e8e1b73a..f68eb0d2 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,4 @@
-import { NativeModules, NativeEventEmitter } from "react-native";
+import { NativeEventEmitter, NativeModules } from "react-native";
 
 const { ShareMenu } = NativeModules;
 
@@ -7,18 +7,22 @@ const EventEmitter = new NativeEventEmitter(ShareMenu);
 const NEW_SHARE_EVENT_NAME = "NewShareEvent";
 
 export const ShareMenuReactView = {
-  dismissExtension(error = null) {
-    NativeModules.ShareMenuReactView.dismissExtension(error);
-  },
-  openApp() {
-    NativeModules.ShareMenuReactView.openApp();
-  },
   continueInApp(extraData = null) {
     NativeModules.ShareMenuReactView.continueInApp(extraData);
   },
   data() {
     return NativeModules.ShareMenuReactView.data();
   },
+  dismissExtension(error = null) {
+    NativeModules.ShareMenuReactView.dismissExtension(error);
+  },
+  isExtension: !!(
+    NativeModules.ShareMenuReactView &&
+    NativeModules.ShareMenuReactView.isExtension
+  ),
+  openApp() {
+    NativeModules.ShareMenuReactView.openApp();
+  },
 };
 
 export default {
diff --git a/ios/Modules/ShareMenuReactView.swift b/ios/Modules/ShareMenuReactView.swift
index e290ccec..f32effcd 100644
--- a/ios/Modules/ShareMenuReactView.swift
+++ b/ios/Modules/ShareMenuReactView.swift
@@ -27,6 +27,11 @@ public class ShareMenuReactView: NSObject {
         ShareMenuReactView.viewDelegate = nil
     }
 
+    @objc
+    func constantsToExport() -> [String: Any]! {
+        return ["isExtension": ShareMenuReactView.viewDelegate?.loadExtensionContext() != nil]
+    }
+
     @objc(dismissExtension:)
     func dismissExtension(_ error: String?) {
         guard let extensionContext = ShareMenuReactView.viewDelegate?.loadExtensionContext() else {