One Reaction Cleans Your Workspace: Slack to Notion Archive

Someone reacts with a check mark in Slack to say 'this is done.' Notis instantly archives the matching Notion page. Your workspace stays organized without manual cleanup.

Trigger

Message Reaction Added

Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.

Notion logo

Action

Archive Notion Page

Archives (moves to trash) or unarchives (restores from trash) a specified notion page.

Why this helps

Notion workspaces become cluttered with completed items that don't get archived. Neurodivergent founders struggle with the cognitive load of maintaining a clean, organized workspace while juggling multiple projects. Clutter makes it harder to find active work and adds visual noise that increases overwhelm.

  • Keep your Notion workspace clean without manual archiving work
  • Reduce visual clutter that increases cognitive load
  • Create a lightweight way to signal task completion via Slack reactions

Setup

Build it in a few focused steps.

  • 1Connect Slack and Notion to Notis in the portal.
  • 2Tell Notis: 'When someone reacts to a Slack message with a check mark, find the matching Notion page and archive it.'
  • 3Select 'Message Reaction Added' as your trigger and specify the check mark emoji.
  • 4Point Notis to your Notion workspace so it knows where to archive pages.
  • 5Test by reacting to a Slack message that corresponds to a Notion page and verify it gets archived.

Questions about this workflow

What if I don't want the page fully archived, just moved to a 'done' section?

Tell Notis to move the page instead of archiving it. It can update a 'Status' property or move the page to a 'Completed' folder instead of archiving.

How does Notis match Slack messages to Notion pages?

Your Notis prompt provides the matching logic. For example, 'if the Slack message mentions a project name or task ID, find the Notion page with the same name or ID.'

Can I undo an archive if someone reacted by mistake?

Yes. Notion archives are reversible. If needed, you can create a separate automation that unarchives pages when someone reacts with a different emoji.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

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

Slack logo

Slack triggers

Notion logo

Notion actions

New Channel Created Trigger

Triggered when a new channel is created in Slack.

TriggerInstant

Add multiple content blocks (bulk, user-friendly)

Efficiently adds multiple standard content blocks to a notion page in a single api call with automatic markdown parsing. the 'content' field in notionrichtext blocks now automatically detects and parses markdown formatting including headers (# ## ###), bold (**text**), italic (*text*), strikethrough (~~text~~), inline code (`code`), links ([text](url)), and more. ideal for bulk content creation, ai agents, and replacing multiple individual add page content calls. supports automatic text formatting, content splitting, and up to 100 blocks per request.

ActionInstant

Channel Message Received

Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.

TriggerInstant

Add content to Notion page

Deprecated: appends a single content block to a notion page or a parent block (must be page, toggle, to-do, bulleted/numbered list, callout, or quote); invoke repeatedly to add multiple blocks.

ActionInstant

Direct Message Received

Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.

TriggerInstant

Append complex blocks (advanced, full control)

Appends complex blocks with full notion block structure to a parent block or page. use for advanced scenarios requiring precise control: code blocks, tables, embeds, nested children within blocks, or when working with pre-built notion block objects. requires full notion api block schema - use add multiple page content for simpler content creation.

ActionInstant

Message Reaction Added

Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.

TriggerInstant

Archive Notion Page

Archives (moves to trash) or unarchives (restores from trash) a specified notion page.

ActionInstant

Message Reaction Removed

Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.

TriggerInstant

Create comment

Adds a comment to a notion page (via `parent page id`) or to an existing discussion thread (via `discussion id`); cannot create new discussion threads on specific blocks (inline comments).

ActionInstant

Reaction Added Trigger

DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.

TriggerInstant

Create Notion Database

Creates a new notion database as a subpage under a specified parent page with a defined properties schema; use this action exclusively for creating new databases.

ActionInstant

Reaction Removed Trigger

DEPRECATED: use `SLACK_MESSAGE_REACTION_REMOVED` instead. Triggered when a reaction is removed from a message.

TriggerInstant

Create Notion page

Creates a new empty page in a notion workspace.

ActionInstant

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.

TriggerInstant

Delete a block

Archives a notion block, page, or database using its id, which sets its 'archived' property to true (like moving to "trash" in the ui) and allows it to be restored later.

ActionInstant

Connect any two apps with Notis in the middle.

Not just Slack and Notion. Any combination from 985+ integrations.

When this happens · Trigger

Do this · Action

Save your first hour today.

7 days free trial with 20$ free usage included.
No card. Works with personal or business Notion.