private void AddPeople(BaseItem item, XmlElement element)
{
var types = new[] { PersonType.Director, PersonType.Writer, PersonType.Producer, PersonType.Composer, "Creator" };
foreach (var actor in item.People)
{
var type = types.FirstOrDefault(i => string.Equals(i, actor.Type, StringComparison.OrdinalIgnoreCase) || string.Equals(i, actor.Role, StringComparison.OrdinalIgnoreCase))
?? PersonType.Actor;
AddValue(element, "upnp", type.ToLower(), actor.Name, NS_UPNP);
}
}