[ObsoleteAttribute("Use the SiteId property on SiteElement instead, i e use setting.Parent.SiteId rather than setting.SiteShortName", 
	false)]
[ConfigurationPropertyAttribute("siteShortName", IsRequired = false)]
[CustomRegexStringValidatorAttribute("^([a-zA-Z0-9\.-]{0,256})$", "The string must be either an empty string or any combination of alphanumericals, dots (.) and dashes (-) up to 256 characters long, e.g. 'site.com' or 'MySite-2'.")]
public string SiteShortName { get; set; }