# Change the package name

Every Android Application on Google Play has a unique package name (unique id), for this application too we need to use a unique package name, for that you need to choose a unique package name (ApplicationId) with three-part for example: **com.companyname.yourappname**, now to change your package name (android/app/build.gradle)

![](https://3055596817-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFydntNulzdMw3Es2MW%2F-MFz3t_WXiRimF_wJIjW%2F-MFz4CwaZPrvGbAlzO-z%2Fscreenshot_5.png?alt=media\&token=81754f3c-55ce-4a92-8c14-6c86045f43fa)
