mfgf, thanks for replying.
I think I get your QS point. I just want to confirm.
You are suggesting that:
1) in FM we create a predefined filter that is set to null or space in the package, e.g., set PreDefileQi = Null
2) drag that predefine filter into the query, e.g., drag PreDefileQi and QryItemWithNullValues into the query
3) match that predefine filter to the query item I want to test for null or space, e.g., PreDefileQi = QryItemWithNullValues