Read more about the details here. } firebase.auth().createUserWithEmailAndPassword(email, password).catch(function(error) { In the app file we can check the validations of the attributes. console.log("App Inventor Communication Error",e) function toggleSignIn() { tellAppInventor('Please enter an email address. Sign-in, Creative Commons Attribution-ShareAlike 4.0 International License. /** Connect and share knowledge within a single location that is structured and easy to search. Note that you can't pass Firebase-required parameters with */ Firebase console Firebase provides the javascript code that handles all the necessary steps to setup, and then log in, new and existing users. Javascript FirebaseReact Native,javascript,react-native,firebase-authentication,expo,Javascript,React Native,Firebase Authentication,Expo,firebase my React In the Sign Up page; We have Name, Surname, E-mail address and password. Firebase is Google's mobile application development platform that helps you build, improve, and grow your app. I also have the same question to decide implementing reCaptcha V3 despite already having implemented AppCheck on my app. tellAppInventor('Password Reset Email Sent! We finished the HTML pages. Authenticate with Firebase using the OAuth provider object. ---> hosted the site on firebase. auth/account-exists-with-different-credential errors with code like the following if (firebase.auth().currentUser) {