# Custom Actions Learn how to use custom actions. What [#what] Use [custom actions](/docs/sdk/guides/advanced/custom-paywall-actions#custom-paywall-actions) to trigger application-specific functionality or logic from within your app. Why [#why] Custom actions allow you to fire any arbitrary logic inside your app, allowing you to navigate to certain places or trigger platform-specific APIs (such as playing haptic feedback when tapping on a button on iOS). How [#how]