/// <summary>
/// An example of a method to retrieve a collection of entities.
/// </summary>
/// <param name="orderByPropertyName"></param>
/// <returns>List of customers</returns>
public Task <IEnumerable <Customer> > GetCustomersAsync(string orderByPropertyName)
{
IEntityQuery <Customer> query = Manager.Customers;
if (orderByPropertyName != null)
{
var selector = new SortSelector(typeof(Customer), orderByPropertyName);
query = query.OrderBySelector(selector);
}
return(query.ExecuteAsync());
}