ToastMeta.custom constructor
      
      ToastMeta.custom({})
     
    
Pre-defined style for the ToastNotificationStyleType.CUSTOM toast alert.
Implementation
ToastMeta.custom({
  Color? backgroundColor,
  String? description,
  String? title,
  Duration? duration,
  this.action,
  this.metaData,
  this.icon = const Icon(Icons.warning, color: Colors.redAccent, size: 20),
})  : title = "",
      description = "",
      color = Colors.red.shade50,
      duration = const Duration(seconds: 7),
      style = 'custom',
      super();