public void AddToExternalContacts(ExternalContactsItem externalContactsItem)
{
base.AddObject("ExternalContacts", externalContactsItem);
}
public static ExternalContactsItem CreateExternalContactsItem(int ID)
{
ExternalContactsItem externalContactsItem = new ExternalContactsItem();
externalContactsItem.Id = ID;
return externalContactsItem;
}