OneSignal.setEmail("exam[email protected]");

[OneSignal setEmail:@"[email protected]"];

OneSignal.setEmail("[email protected]");

OneSignal.setEmail("[email protected]");

window.plugins.OneSignal.setEmail("[email protected]");

OneSignal.setEmail("[email protected]");

OneSignal.SetEmail("[email protected]");

String email = "[email protected]";
String emailAuthHash = "..."; // Email auth hash generated from your server
OneSignal.setEmail(email, emailAuthHash, new OneSignal.EmailUpdateHandler() {
  @Override
  public void onSuccess() {
    // Email successfully synced with OneSignal
  }

  @Override
  public void onFailure(OneSignal.EmailUpdateError error) {
    // Error syncing email, check error.getType() and error.getMessage() for details
  }
});

NSString *hashToken = //hash token from your server
NSString *emailAddress = @"[email protected]";
[OneSignal setEmail:emailAddress withEmailAuthHashToken:hashToken onSuccess: ^() {
    //The email has successfully been set.
} onFailure: ^(NSError *error) {
    //Encountered an error while setting the email.
}];

let emailAuthHash = //generated on your backend server
let email = "[email protected]";
OneSignal.setEmail(email, withEmailAuthHashToken: emailAuthHash, withSuccess: {
    //The email has successfully been set.
}) { (error) in
    //Encountered an error while setting the email.
};

var emailAuthHash = "..."; // Email auth hash generated from your server
OneSignal.setEmail("[email protected], {
 emailAuthHash: emailAuthHash
});

let emailAuthToken = ""; //from your backend server

window.plugins.OneSignal.setEmail("[email protected]", emailAuthToken, function() {
    //Successfully set email

}, function(error) {
    //encountered an error setting email
    
});

let emailAuthToken = ""; //from your backend server

OneSignal.setEmail("[email protected]", emailAuthToken, (error) => {
    if (error == undefined) {
        //successfully set email

    } else {
        //encountered an error

    }
});

string emailAuthToken = ""; //from your backend server

OneSignal.SetEmail("[email protected]", emailAuthToken, () => {
    //Successfully set email
}, (error) => {
    //Encountered error setting email
});

OneSignal.logoutEmail();

[OneSignal logoutEmail]

OneSignal.logoutEmail();

OneSignal.logoutEmail();

window.plugins.OneSignal.logoutEmail(function(successResponse) {
    //Successfully logged out of email
}, function(error) {
    //Failed to log out of email
});

OneSignal.logoutEmail(function(successResponse) {
    //Successfully logged out of email
}, function(error) {
    //Failed to log out of email
});

OneSignal.LogoutEmail (() => {
    // Successfully logged out of email
}, (error) => {
    // Encountered error logging out of email
});

OneSignal.addEmailSubscriptionObserver(subscriptionObserver);

[OneSignal addEmailSubscriptionObserver:self];

OneSignal.add(self as OSEmailSubscriptionObserver)

window.plugins.OneSignal.addEmailSubscriptionObserver(function(stateChanges) {
    //Email subscription state changed
    let newEmailAddress = stateChanges.to.emailAddress;
    let newUserId = stateChanges.to.emailUserId;
});

componentDidMount() {
    this.onEmailSubscriptionChange = this.onEmailSubscriptionChange.bind(this);

    OneSignal.addEventListener('emailSubscription', this.onEmailSubscriptionChange);
}

void Start() {
    OneSignal.emailSubscriptionObserver += OneSignal_emailSubscriptionObserver;
}

OSEmailSubscriptionObserver subscriptionObserver = new OSEmailSubscriptionObserver() {
   @Override
   public void onOSEmailSubscriptionChanged(OSEmailSubscriptionStateChanges stateChanges) {
   }
};

-(void)onOSEmailSubscriptionChanged:(OSEmailSubscriptionStateChanges *)stateChanges {
    
}

func onOSEmailSubscriptionChanged(_ stateChanges: OSEmailSubscriptionStateChanges!) { 
    
}

// See above

onEmailSubscriptionChange(registration) {
    let emailAddress = registration.emailAddress;
    let emailUserId = registration.emailUserId;
}

private void OneSignal_emailSubscriptionObserver(OSEmailSubscriptionStateChanges stateChanges) {
    string newEmailAddress = stateChanges.to.emailAddress;
}