UIButtonExtension.swift

extension UIButton {
      // iconName - SFSymbol Name
      // size - Size of the Symbol in points
      // scale - .small, .medium, .large
      // weight - .ultralight, .thin, .light, .regular, .medium, .semibold, .bold, .heavy, .black
      // tintColor - Color of the Symbol
      // backgroundColor - Background color of the button
    func setSFSymbol(iconName: String, size: CGFloat, weight: UIImage.SymbolWeight, 
                       scale: UIImage.SymbolScale, tintColor: UIColor, backgroundColor: UIColor) {
        let symbolConfiguration = UIImage.SymbolConfiguration(pointSize: size, weight: weight, scale: scale)
        let buttonImage = UIImage(systemName: iconName, withConfiguration: symbolConfiguration)
        self.setImage(buttonImage, for: .normal)
        self.tintColor = tintColor
        self.backgroundColor = backgroundColor
    }
}