Process fallback route only once

How To
1

Hi everyone,

Is there a way to process a fallback route only once, regardless of the number of bundles? Let’s say you query a database, it returns 10 bundles of data. I have a router followed by a filter. If 0 bundles pass through the filter, I want the fallback to run, but ONLY once, not once for each bundle.

Is this possible?

Thanks!

2

It is not. 0 bundles means nothing will run past the filter.

You’ll need at least one bundle to run and then the fall back route will need to capture that bundle only.

3

Sorry, small misunderstanding here.

  • The DB query returns 10 bundles.
  • 0 bundles pass through the filter on route 1.
  • All 10 would pass through the filter on route 2, but I only want that to run once, and only if 0 bundles went through the filter.
  • The data in the bundle is not relevant. It only serves as a trigger.

I solved this by setting the filter on route 2 to have Bundle Order Position | Numerically equivalant to | Total number of bundles. I also had to use a boolean switch stored in a datastore to control the logic, if the top route runs the switch is set to 1, and the bottom route checks the switch, if still 0 it runs, if it’s 1 it doesn’t.

1 Like
4

Heya @MattFox thanks for the clarification and for sharing your solution to this challenge with the community :pray: I’m sure this will prove super helpful to someone who’s looking for similar answers. Awesome stuff :purple_heart: