var SinchVerification = require('react-native-sinch-verification');
var custom = "A custom string to be sent to your server backend, through Sinch's callback URL";

// init with app key
SinchVerification.init('your-app-key');

// sms verification
SinchVerification.sms('your-phone-number-without-country-code', custom, (err, res) => {
  if (!err) {
      // for android, verification is done, because the sms has been read automatically
      // for ios, this means the sms has been sent out, you need to call verify with the received code
  }
});

// verify the received code (not needed on android)
SinchVerification.verify('the-received-code', (err, res) => {
  if (!err) {
      // done!
  }
});

// flash call verification (android only)
SinchVerification.flashCall('your-phone-number-without-country-code', custom, (err, res) => {
  if (!err) {
      // done!
  }
});