If you want to have your Zap update a different record in an app every time it runs, you'll first need to use a search step to find that record. Search steps are a way to find existing data in your apps that later actions in your Zap can reference and use.
Before you begin, you’ll need to set up your Zap trigger.
Let’s say you want to set up an automation so that every time someone fills out a form, it adds a comment to a different card on Trello depending on how they filled out the form. In order to update an existing card, we’d need a way to first find that card based on some criteria. That’s exactly what search steps are for.