/// <summary>
/// Update the details of an automated payment reminder.
/// </summary>
/// <param name="reminder_id">The reminder_id is the identifier of the auto reminder.</param>
/// <param name="update_info">The update_info is the AutoReminder object which contains the updation details.</param>
/// <returns>System.String.<br></br>The success message is "Your payment reminder preferences have been saved."</returns>
public AutoReminder UpdateAnAutoReminder(string reminder_id, AutoReminder update_info)
{
var url = baseAddress + "/autoreminders/" + reminder_id;
var json = JsonConvert.SerializeObject(update_info);
var jsonstring = new Dictionary <object, object>();
jsonstring.Add("JSONString", json);
var response = ZohoHttpClient.put(url, getQueryParameters(jsonstring));
return(SettingsParser.getAutoReminder(response));
}