1# PageAbility Component Overview 2 3 4PageAbility is an application component that has the UI and supports user interaction. 5 6 7When you create a PageAbility in DevEco Studio, DevEco Studio automatically creates template code. The capabilities related to the PageAbility are implemented through the **featureAbility** class, and the lifecycle callbacks are implemented through the callbacks in **app.js** or **app.ets**. 8