Auto-Archive Slack Channels When Tasks Complete

Your Asana task moves to Done. The temporary Slack channel closes automatically. No clutter, full history preserved, clean workspace.

Trigger

Task Moved to Section

Triggers when a task is moved to a section in a project.

Slack logo

Action

Close conversation channel

Closes a slack direct message (dm) or multi-person direct message (mpdm) channel, removing it from the user's sidebar without deleting history; this action affects only the calling user's view.

Why this helps

Slack workspace sprawl overwhelms neurodivergent founders. Temporary project channels pile up, cluttering the sidebar and creating decision fatigue about which channel is active.

  • Automatic cleanup: Completed tasks trigger channel closure, keeping your workspace tidy.
  • Reduced sidebar clutter: Closed channels disappear from the sidebar, so your active work is more visible.
  • History preserved: Closing a channel doesn't delete messages; they're archived and searchable.
  • Prevents context loss: Even though the channel is closed, the conversation is still there if needed later.

Setup

Build it in a few focused steps.

  • 1Connect Asana and Slack to Notis.
  • 2Tell Notis: 'When a task in [Project] is marked Done, close the related Slack channel.'
  • 3Notis asks which Asana section marks completion (usually 'Done' or 'Completed').
  • 4Select 'Task Moved to Section' as your trigger.
  • 5Test by moving a task to your completion section; the related Slack channel should close.

Questions about this workflow

What if the channel is still being used after the task is completed?

Notis closes the channel regardless. Team members can reopen it from archives if needed, or you can exclude channels that are still active.

Can I choose which channels to auto-archive?

Yes. You can configure Notis to archive only channels matching certain naming patterns or tags.

Are messages deleted when a channel closes?

No. Slack archives the channel, preserving all messages and files. The channel is read-only and searchable but removed from the active sidebar.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

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

Asana logo

Asana triggers

Slack logo

Slack actions

Attachment Added to Task

Triggers when an attachment is added to a task.

TriggerInstant

Set snooze duration

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

ActionInstant

New Comment on Task

Triggers when a comment is added to a task in a project.

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

New Task Created

Triggers when a new task is created in a project.

TriggerInstant

Add an emoji alias

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

ActionInstant

Task Moved to Section

Triggers when a task is moved to a section in a project.

TriggerInstant

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

Tag Added to Task

Triggers when a tag is added to a task. Note: Asana's event structure is inverted for tag events — the resource is the task and the parent is the tag. So parent.gid gives the tag GID.

TriggerInstant

Add a star to an item

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

ActionInstant

Task Updated

Triggers when a task is updated in a project.

TriggerInstant

Add call participants

Registers new participants added to a slack call.

ActionInstant

Add emoji

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

ActionInstant

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.

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

When this happens · Trigger

Do this · Action

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