--- id: components-library title: Components Library --- The **Components Library** on the right sidebar contains all of the available components. Use this to drag-and-drop a component from the library to the canvas. It organizes components into sections and you can enter a search term to quickly find a component you need.
App Builder: Component library- right sidebar
:::tip Check the **[Components Catalog](/docs/widgets/overview)** to know more about specific component. ::: ## Properties Panel The Properties Panel contains all the available settings for the selected component and is where you **set values**, **update component names**, and **create event handlers**. The Properties Panel organizes settings into different sections, such as **Properties** and **Styles**. To open the Properties Panel, click on the **[component handle](/docs/app-builder/canvas#arrange-components)** that is present on the top of the component including **⚙️ + Component Name** and the Properties Panel will open up on the right side.
App Builder: Component library- right sidebar