How to make a column in a List page empty with "SetLoadFields()"

CustomerListExtension.al

pageextension 50100 CustomerListExt extends "Customer List"
{
    actions
    {
        addlast(processing)
        {
            action(RunVendorList)
            {
                ApplicationArea = All;

                trigger OnAction()
                var
                    Vendor: Record Vendor;
                begin
                    Vendor.SetLoadFields("No.");
                    Page.Run(Page::"Vendor Lookup", Vendor);
                end;
            }
        }
    }
}