penguin-app-onlogin.js

// 2️⃣ onLogin: Sign In with Device
const onLogin = () => {
  var cotter = new Cotter(
    API_KEY_ID, // 👈 Specify your API KEY ID here
    email,
  );
  cotter.trustedDevice.requestAuth(
    'LOGIN',
    (resp) => { alert('Login Success'), console.log(resp) },
    (errMsg, err) => { alert(errMsg), console.log(err) },
  );
};