SOOrderApprovedSOOrder.cs

[PXProjection(typeof(Select<SOOrder,
                        Where<SOOrder.approved, Equal<True>>>))]
    public partial class SOOrderApproved : SOOrder
    {
      public new abstract class orderNbr : PX.Data.BQL.BqlString.Field<OrderNbr> { }

        //List of attributes that apply.
        public override string OrderNbr { get; set; }
    }