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let alert = EMAlertController(title: "EMAlertView Title", message: "This is a simple message for the EMAlertView")

let cancel = EMAlertAction(title: "CANCEL", style: .cancel)
let confirm = EMAlertAction(title: "CONFIRM", style: .normal) {
// Perform Action
}

alert.addAction(cancel)
alert.addAction(confirm)

let icon = UIImage(named: "imageName")

alert.iconImage = icon

alert.titleText = "Sample Title"

alert.titleColor = UIColor.red
// Default color = UIColor.black

alert.messageText = "Sample message"

alert.messageColor = UIColor.red
// Default color = UIColor.black

alert.dataDetectorTypes = .all

alert.isMessageSelectable = true
// This must be set to `true` in order to highlight the detected data types

alert.cornerRadius = 10
// Default corner radius = 5

alert.backgroundColor = UIColor.white
// Default color = UIColor(red: 250/255, green: 250/255, blue: 250/255, alpha: 1.0)

alert.backgroundViewColor = UIColor.red
// Default color = UIColor.darkGray

alert.backgroundViewAlpha = 1.0
// Default alpha = 0.2

action.title = "Sample Title"

action.titleColor = UIColor.red
// Normal style action default color = UIColor(red: 53/255, green: 53/255, blue: 53/255, alpha: 1.0)
// Cancel style action default color = UIColor(red: 230/255, green: 57/255, blue: 70/255, alpha: 1.0)

action.titleFont = UIFont.systemFont(ofSize: 14)
// Default font = UIFont.boldSystemFont(ofSize: 16)

action.actionBackgroundColor = UIColor.red
// Default color = UIColor.clear

alert.buttonSpacing = 0
// Default spacing = 15

 alert.addTextField { (textField) in
   textField?.placeholder = "Username"
 }

guard let username = alert.textFields.first?.text else { return }