TIP: How to merge flows after conditional nodes

I want to share a small but nice find. How to glue paths together after a fork.

Sometimes I need to check if there is a folder I need (for example, for the current month) and if not, create it. I used to just end the two arrows in say No Op. But this is not the right approach, only one thread should come to the node, otherwise there will be testing problems. (and there still are for the Loop node).

It turns out that you can put Merge in Append mode. Then it won’t wait for the second thread, which doesn’t exist.

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Merge node docs for reference - FOUND HERE

When I do that it outputs nothing when the false path doesn’t run. Any tips?

After my testing, I found that clicking the “test workflow” button at the bottom of the screen for the entire workflow works successfully. However, if I click the “test workflow” button specifically for the node after the merge node, it fails to pass data to the subsequent nodes.