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Custom Error Handler Overview

By default, when a step in your flow fails, that failure is recorded in the flow’s execution log — useful if you’re actively watching, easy to miss if you’re not. The Custom Error Handler feature lets you attach an actual action to a flow’s errors, so instead of just being logged, they get sent somewhere: an email to your team, a row in a tracking spreadsheet, a message in Slack, or anything else a component’s action can do.

How it works

Any component that has an action can be attached as a flow’s error handler — there’s no separate “error handling” component to learn. From a flow’s draft, you add error handling and pick which component and action should run when something in the flow fails; that action then receives the error’s details (its name and message, at minimum) as its input, the same way any other action receives input from a previous step.

Two examples cover most use cases:

  • Email — send yourself or your team the error name and message the moment something breaks, so you find out from your inbox instead of by a customer noticing first.
  • Spreadsheet — append a row with the error details to a shared sheet, building up a running log you can filter, sort, and share with people who don’t have access to the platform itself.

Setting it up

A few things are worth knowing before you configure one:

  • Your flow’s draft needs at least one step already configured before you can add error handling to it.
  • It generally makes sense to configure error handling last, once the rest of the flow’s steps are in place.
  • Decide what you actually want to happen with an error before you start configuring — “send an email” and “log a spreadsheet row” call for slightly different input mapping.