Hey Mike, I would recommend RouteOnAttribute for that.
Thanks -Mark Sent from my iPhone > On Dec 20, 2018, at 11:45 AM, Mike Thomsen <mikerthom...@gmail.com> wrote: > > Do we have any processors that would be particularly good at checking a > flowfile for the existence of certain mandatory attributes and then routing > flowfiles missing them to a failure relationship? > > I have a processor sketched out in my head for this already, but don't want > to reinvent the wheel. > > Thanks, > > Mike