I'm trying to use a Selector to lookup up customers, and I want it to show the CD along with the description in the field. I've seen this many times in Acumatica - and I thought I knew how to do it, but it's not working. Here is my code:

```
     #region CustomerLookup
     public abstract class customerLookup : PX.Data.IBqlField
     {
     }
     protected string _CustomerLookup;
     [PXDBString(100, IsUnicode = true)]
     [PXUIField(DisplayName = "Customer Lookup")]
     [PXSelector(typeof(Customer.acctCD)
                ,typeof(Customer.acctCD)
                ,typeof(Customer.acctName)
                ,DescriptionField=typeof(Customer.acctName))]
     public virtual string CustomerLookup
     {
         get
         {
             return this._CustomerLookup;
         }
         set
         {
             this._CustomerLookup = value;
         }
     }
     #endregion

```

I would have thought providing the DescriptionField would take care of this, but it does not.