Knowledge Base WebViewGold for iOS Xcode displays error: “cannot find type OSHandleNotificationActionBlock in scope” Article sections Please make sure to open WebViewGold.xcworkspace (instead of WebViewGold.xcodeproj). Click “Product” -> “Clean Build Folder” in the Xcode menu bar. Reopen Xcode. Last Updated: 2 years ago in WebViewGold for iOS Related Articles How to add OneSignal push notifications to your WebViewGold iOS & Android app How to integrate Pushwoosh in WebView-based iOS and Android apps? Fixing “white page” CDN issues in iOS & Android WebViews with a workaround How do I set up RevenueCat for In-App Purchases / In-App Subscriptions in WKWebView (iOS) or WebView (Android)? How does the native footer in iOS WebView looks like? How to use GitHub for smart upgrading of WebViewGold app template?