# Sign Up The Sign up is a function in the [users](https://docs.apphive.io/apphive-documentacion/reference/funciones/users) functions which allows to the users access to the app by register his data. The users typically fill forms with a "username", "password", "phone number" and "email". ![](https://1781865142-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LvaO9X8rr2FG8JwKkhC-1769347644%2Fuploads%2Fgit-blob-b53796880084fe7ca43aa8d1c72eea3398efabe6%2FCaptura%20de%20Pantalla%202020-02-10%20a%20la\(s\)%2011.16.46.png?alt=media) ### 📥 Entry vars * **Email:** select a text field to provide a way for the user to set his email. * **Name:** select a text field to provide a way for the user to set his name. * **Password:** select a text field to provide a way for the user to set his password. * **Phone:** select a text field to provide a way for the user to set his phone. \*\*\*\*↗ **Callbacks** * **Error registering:** you can set functions after the user can't register to the app. * **Success:** you can set functions after the user can register to the app. * **User is already signed in:** you can set functions after the user is already sign up in the app. ![](https://1781865142-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LvaO9X8rr2FG8JwKkhC-1769347644%2Fuploads%2Fgit-blob-5bf34ba001b962c9ea7eb187a78b1db1ecea838c%2Fezgif.com-video-to-gif%20\(27\).gif?alt=media) 1. Select the button and activate an on press. 2. Select the element for input the email, name, phone and password. 3. Open the sign up callbacks. 4. Add a [replace screen](https://docs.apphive.io/apphive-documentacion/reference/funciones/navigation/replace-screen) in the user is already signed in. 5. Choose which screen the user will se after sign up. ![](https://1781865142-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LvaO9X8rr2FG8JwKkhC-1769347644%2Fuploads%2Fgit-blob-0380e095bb5375c29b030646d7222cf4d6010ec9%2Fezgif.com-video-to-gif%20\(3\).gif?alt=media)