How to add "Inventory" Type of "Source" Role in "RELATIONS" Tab on Cases screen ?

Hi,

I did it in fast way and my stringList will have always the same values, but you might use my logic as template and add your custom list, that depends from type:

 public class CRCaseMaintExt : PXGraphExtension<PX.Objects.CR.CRCaseMaint> 
 {
     [PXMergeAttributes(Method = MergeMethod.Merge)]
     [TestInheristanceClass(typeof(PX.Objects.CR.CRRelation.role))]
     protected virtual void _(Events.CacheAttached<PX.Objects.CR.CRRelation.targetType> e)        { }
 }
 public class TestInheristanceClass : PX.Objects.CR.CRRelationTypeListAttribure
 {
     public TestInheristanceClass(Type RoleType) : base(RoleType)
     {

     }

     public override void FieldSelecting(PXCache sender, PXFieldSelectingEventArgs e)
     {
         base.FieldSelecting(sender, e);

      //   string text = sender.GetValue(e.Row, base.RoleType.Name) as string;
     //    Item targetType = GetTargetType(text);
         e.ReturnState = (PXStringState)PXStringState.CreateInstance(e.ReturnState, null, null, _FieldName, null, -1, null,new  string[]{ "1","2"},new string[] { "a", "b"}, true, null, null);
         //if (e.Row != null)
         //{
         //    ((PXFieldState)e.ReturnState).Enabled = ((PXFieldState)e.ReturnState).Enabled && text != null;
         //}
     }
 }