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Automatically create Slack channels for new spreadsheet tabs

Adding a new sheet to a spreadsheet often means creating a new project, but manually spinning up a Slack channel for it is friction. Notis detects new sheets and auto-creates corresponding Slack channels, so your team's workspace stays organized without extra steps.

Trigger

New Sheet Added in Google Spreadsheet

Polling trigger that detects when a new sheet is added to a Google Spreadsheet.

Action

Create channel

Initiates a public or private channel-based conversation

Why this helps

Project setup involves context-switching between multiple tools. Adding a sheet and then manually creating a matching Slack channel creates unnecessary admin burden and delays collaboration.

  • Eliminate manual channel creation for each new project
  • Keep spreadsheet organization and Slack channels in sync
  • Reduce onboarding friction for new projects or teams
  • Build a seamless workflow where workspace grows with your needs

Setup

Build it in a few focused steps.

  • 1Connect Google Sheets and Slack to Notis.
  • 2Create an automation with this prompt: 'When a new sheet is added to my spreadsheet, create a Slack channel with the same name and post the announcement.'
  • 3Select 'New Sheet Added in Google Spreadsheet' as the trigger.
  • 4Choose the Slack channel where you want run reports.
  • 5Test by adding a new tab to your spreadsheet and confirm the Slack channel is created.

Questions about this workflow

Can the channel name be different from the sheet name?

Yes. Specify a naming pattern in your prompt: 'Create a Slack channel named proj_[sheet-name]' and Notis will format the channel name accordingly.

Can I automatically invite specific people to the new channel?

Yes. In your prompt, mention it: 'After creating the channel, invite @alice and @bob.' Notis can handle this as a follow-up action.

What if a channel with that name already exists?

Notis checks for existing channels and skips creation if one already matches. This prevents duplicate channels.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link Google Sheets to Slack. A trigger fires from one place; an action lands in another.

Google Sheets triggers

Slack actions

Recurring trigger

Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.

TriggerScheduled

Set snooze duration

Deprecated: turns on do not disturb mode for the current user, or changes its duration. use `set dnd duration` instead.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

Add a custom emoji to a Slack team

Deprecated: adds a custom emoji to a slack workspace given a unique name and an image url. use `add emoji` instead.

ActionInstant

Aggregate Metric Changed

Triggers when an aggregate metric (SUM/COUNT/AVG/MIN/MAX) changes in a Google Sheets spreadsheet. This trigger monitors an aggregate calculation on a target column (optionally filtered by a search column/value) and fires when the calculated result changes.

TriggerPolling

Add an emoji alias

Adds an alias for an existing custom emoji in a slack enterprise grid organization.

ActionInstant

Cell Range Values Changed

Triggers when values in a specified A1 range change in Google Sheets. This trigger monitors a specific cell or range of cells and fires when any values change.

TriggerPolling

Add a remote file

Adds a reference to an external file (e.g., google drive, dropbox) to slack for discovery and sharing, requiring a unique `external id` and an `external url` accessible by slack.

ActionInstant

Conditional Format Rule Changed

Triggers when conditional formatting rules change in a Google Spreadsheet. Detects when rules are added, updated, or removed. Uses snapshot-based diffing to detect changes between polls.

TriggerPolling

Add a star to an item

Stars a channel, file, file comment, or a specific message in slack.

ActionInstant

Data Validation Rule Changed

Triggers when data validation rules change (added/updated/removed) in a Google Spreadsheet. Uses snapshot-based diffing to detect changes between polls.

TriggerPolling

Add call participants

Registers new participants added to a slack call.

ActionInstant

Developer Metadata Changed

Triggers when developer metadata entries change (new/updated/removed) in a Google Spreadsheet. Uses snapshot-based diffing to detect changes between polls.

TriggerPolling

Add emoji

Adds a custom emoji to a slack workspace given a unique name and an image url; subject to workspace emoji limits.

ActionInstant

Filtered Range Values Changed

Polling trigger that monitors Google Sheets filtered ranges for value changes. Uses snapshot-based diffing to detect when values matching a data filter change. Emits the matched values when changes are detected.

TriggerPolling

Add reaction to message

Adds a specified emoji reaction to an existing message in a slack channel, identified by its timestamp; does not remove or retrieve reactions.

ActionInstant

Connect any two apps with Notis in the middle.

Google Sheets and Slack, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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