How to style the month cell using MonthCellLoaded event in Xamarin.Forms Calendar (SfCalendar)

this.calendar.OnMonthCellLoaded += Calendar_OnMonthCellLoaded;
 
private void Calendar_OnMonthCellLoaded(object sender, MonthCellLoadedEventArgs args)
{
   // As default setting Month cell Background color as Green 
   args.BackgroundColor = Color.Green;
   var appointments = calendar.DataSource as CalendarEventCollection;
 
   for (int i = 0; i < appointments.Count; i++)
    {
        var appointment = appointments[i];
        if (args.Date.Date == appointment.StartTime.Date)
          {
           // Setting Background color when the appointment available on the specific day 
           args.BackgroundColor = Color.Red;
          }
    }
}