Log External Tool Events to Google Sheets Automatically
Data from external tools (payment systems, monitoring alerts, form submissions) should flow into your Sheets automatically, not sit in another tool. Notis webhooks capture external events and append them to your tracking sheet.
Trigger
Webhook received
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Action
Append Values to Spreadsheet
Tool to append values to a spreadsheet. use when you need to add new data to the end of an existing table in a google sheet.
Why this helps
Neurodivergent founders juggle data across many tools and don't have time to manually sync events, leading to incomplete records and missed insights from external data.
- External data flows to Sheets automatically
- No complex API coding required
- Unified data source in Sheets
- Complete event trail for analysis
- Reduce manual data entry
Setup
Build it in a few focused steps.
- 1Connect Notis to Google Sheets via the portal.
- 2In Notis Automations, create a new automation with 'Webhook' as the trigger.
- 3Notis generates a unique webhook URL—copy it.
- 4Write your automation prompt: 'When an external tool sends a webhook event to this URL, extract the relevant fields and append them to my external events sheet with a timestamp.'
- 5Paste the webhook URL into your external tool's webhook configuration (e.g., Stripe payment notifications, Zapier, or custom backend).
Questions about this workflow
What kinds of external events can I log?
Any tool that supports webhooks: payment processors (Stripe, Paddle), monitoring systems, form services, or custom backend. You just need the webhook URL.
How do I format the webhook payload if it's messy?
In your automation prompt, specify which fields to extract: 'Take the customer_email, transaction_id, amount, and timestamp from the webhook and append to the sheet.'
Can I test the webhook without sending real events?
Yes. Notis can provide a test webhook URL, or you can manually trigger a test by sending a sample JSON payload to your webhook URL using a tool like Postman.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Google Sheets. A trigger fires from one place; an action lands in another.
Slack triggers
Google Sheets actions
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Add Sheet to Spreadsheet
Adds a new sheet (worksheet) to a spreadsheet. use this tool to create a new tab within an existing google sheet, optionally specifying its title, index, size, and other properties.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Aggregate Column Data
Searches for rows where a specific column matches a value and performs mathematical operations on data from another column.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Append Dimension
Tool to append new rows or columns to a sheet, increasing its size. use when you need to add empty rows or columns to an existing sheet.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Batch get spreadsheet
Retrieves data from specified cell ranges in a google spreadsheet; ensure the spreadsheet has at least one worksheet and any explicitly referenced sheet names in ranges exist.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Batch update spreadsheet
Updates a specified range in a google sheet with given values, or appends them as new rows if `first cell location` is omitted; ensure the target sheet exists and the spreadsheet contains at least one worksheet.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Batch Update Values by Data Filter
Tool to update values in ranges matching data filters. use when you need to update specific data in a google sheet based on criteria rather than fixed cell ranges.
Reaction Removed Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_REMOVED` instead. Triggered when a reaction is removed from a message.
Clear Basic Filter
Tool to clear the basic filter from a sheet. use when you need to remove an existing basic filter from a specific sheet within a google spreadsheet.
New Bot Message Received Trigger
DEPRECATED: use `SLACK_CHANNEL_MESSAGE_RECEIVED` with `is_bot_message=true` instead. Triggered when a new bot message is posted to a Slack channel.
Clear spreadsheet values
Clears cell content (preserving formatting and notes) from a specified a1 notation range in a google spreadsheet; the range must correspond to an existing sheet and cells.
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When this happens · Trigger
Do this · Action
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