Direct Answer:

Google Sheets is often used as a database but triggering actions when a specific cell changes can be tricky. Standard triggers often only catch new rows not updates to existing ones. This limits the ability to build workflows around status changes such as moving a task from "Doing" to "Done."

Webhooks by Zapier can be used in conjunction with Google Apps Script to solve this. You can write a simple script in your Sheet to send a webhook POST to Zapier whenever a row is edited. Zapier catches this payload which includes the updated data. This allows you to trigger emails updates in other apps or notifications based precisely on changes to existing records giving you granular control over your data flow.

How this automation works

• Trigger: The Catch Hook trigger receives data sent by a Google Apps Script on edit.
• Action: Zapier parses the updated row data.
• Result: The workflow executes downstream actions like updating a CRM or sending an alert.

Why use this automation?

• React to changes: You trigger workflows on updates not just new entries.
• Customize logic: You define exactly which edits should trigger the webhook.
• Extend Sheets: You turn a simple spreadsheet into a dynamic application backend.

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