1# Using userAuthIcon 2 3<!--Kit: User Authentication Kit--> 4<!--Subsystem: UserIAM--> 5<!--Owner: @WALL_EYE--> 6<!--SE: @lichangting518--> 7<!--TSE: @jane_lz--> 8 9**userAuthIcon** provides built-in authentication icons for easy embedding with your application's UI. With **userAuthIcon**, you can: 10 111. Easily integrate the facial authentication and fingerprint authentication icons into your applications. 122. Customize the colors and sizes of the icons. 133. Start the facial or fingerprint authentication pop-up component once the icon is tapped. 14 15**userAuthIcon** supports the following types of authentication: 16 17- Facial authentication 18- Fingerprint authentication 19- Facial + lock screen password authentication 20- Fingerprint + lock screen password authentication 21- Facial + fingerprint + lock screen password authentication 22 23The following figure shows the use of **userAuthIcon** for fingerprint authentication. When a user taps the fingerprint icon on the left (implemented by **userAuthIcon**), the system automatically launches the system authentication component shown on the right to complete user authentication. With **userAuthIcon**, you do not need to initiate an authentication request through an API, which simplifies the authentication process. 24 25 26 27## Example 28 29For details, see [@ohos.userIAM.userAuthIcon](../../reference/apis-user-authentication-kit/ohos-useriam-userauthicon.md). 30