Work Cancellation Visibility: Know When Tasks Disappear
A task got deleted in ClickUp. Your team just spent an hour on it. They find out it was cancelled because you mention it in passing. Let Notis broadcast task deletions instantly.
Trigger
Task Deleted
Triggers when a task is deleted. ClickUp ships no history_items or actor info on deletes — the payload carries only the task_id and team_id.
Action
Post message to channel
Deprecated: posts a message to a slack channel, direct message, or private channel. use `send message` instead.
Why this helps
Tasks get deleted or cancelled but the team doesn't know, so they keep working on work that's been removed or waste time looking for tasks that no longer exist.
- Team knows immediately when assigned work is cancelled
- Prevent wasted effort on deleted tasks
- Catch overenthusiastic deletion (if it was accidental)
- Audit trail of what work was removed and when
Setup
Build it in a few focused steps.
- 1Connect ClickUp and Slack to Notis via the portal
- 2Create an automation: 'When a task is deleted in ClickUp, alert the team in Slack'
- 3Choose a channel for deletion alerts (could be #project-updates or #team-activity)
- 4Select 'Task Deleted' as the trigger
- 5Delete a test task in ClickUp and verify the alert appears in Slack
Questions about this workflow
Can we warn before deleting?
This automation fires after deletion. For prevention, manually notify the team before deleting. For post-deletion visibility, Notis has you covered.
Will this clutter Slack with deletions?
Only when tasks are actually deleted, which should be rare. It's a safety net more than a regular notification.
Can we include who deleted it?
Yes. Notis includes the person who deleted the task, timestamp, and task summary so you know what was removed.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Clickup to Slack. A trigger fires from one place; an action lands in another.
Clickup triggers
Slack actions
Folder Created
Triggers when a new Folder is created.
Set snooze duration
Deprecated: turns on do not disturb mode for the current user, or changes its duration. use `set dnd duration` instead.
Folder Deleted
Triggers when a Folder is deleted.
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.
Folder Updated
Triggers when a Folder is updated (renamed, content edited, etc.).
Add an emoji alias
Adds an alias for an existing custom emoji in a slack enterprise grid organization.
List Created
Triggers when a new List is created.
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.
List Deleted
Triggers when a List is deleted.
Add a star to an item
Stars a channel, file, file comment, or a specific message in slack.
List Updated
Triggers when a List is updated (renamed, content edited, etc.).
Add call participants
Registers new participants added to a slack call.
Space Created
Triggers when a new Space is created in the Workspace.
Add emoji
Adds a custom emoji to a slack workspace given a unique name and an image url; subject to workspace emoji limits.
Space Deleted
Triggers when a Space is deleted.
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.
Connect any two apps with Notis in the middle.
Not just Clickup and Slack. Any combination from 985+ integrations.
When this happens · Trigger
Do this · Action
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