In DoForEach Smart Service Expression Component filterNulls does not

Then you can do =fn!remove(pv!array,fn!where(doforeach("isnull",pv!array)))

#knowledgeshare Note: Expression rules, when used in the doforeach, are *not* resolved by the Application Builder's dependency checker, and hence you need to manually keep track of the expression rules used inside doforeach. In the expression I mentioned above, you will be using isnull, so not a problem here, but something to keep in mind in-case you plan on using expression rules inside the doforeach. Hope this helps!

Then you can do =fn!remove(pv!array,fn!where(doforeach("isnull",pv!array)))

#knowledgeshare Note: Expression rules, when used in the doforeach, are *not* resolved by the Application Builder's dependency checker, and hence you need to manually keep track of the expression rules used inside doforeach. In the expression I mentioned above, you will be using isnull, so not a problem here, but something to keep in mind in-case you plan on using expression rules inside the doforeach. Hope this helps!