Recap decisions when a Slack reaction is removed
When intent changes, get the context recap before the thread moves on.
Trigger
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Action
Create Message
Tool to create a new message completion. use when you need to generate assistant text given a conversation history.
Why this helps
Removing a reaction can signal a changed decision, but the reason is easy to lose.
- Surface changed intent
- Preserve decision context
- Prompt timely follow-up
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Anthropic administrator once in the Notis portal.
- 2Create an automation named Reaction removal decision recap.
- 3Describe that removing a reaction should produce a recap of the related message, prior intent, and questions requiring confirmation.
- 4Pick Message Reaction Removed as the trigger.
- 5Choose the report destination and test with one removed reaction.
Questions about this workflow
Can it know why the reaction was removed?
Only if that reason is present in the available event context or supplied in the instruction.
Can the recap be sent to a team channel?
Yes. Choose the desired report channel during setup.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slackbot to Anthropic administrator. A trigger fires from one place; an action lands in another.
Slackbot triggers
Anthropic administrator actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Create Message
Tool to create a new message completion. use when you need to generate assistant text given a conversation history.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Model
Tool to retrieve details of a specific model by its id. use after confirming the model id is valid.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
List models
Tool to list available models. use when you need to see which models are available before selection.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Prompt Caching
Tool to cache and reuse prompt content to reduce costs and latency. use after you have static prompt portions you intend to reuse across calls.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Connect any two apps with Notis in the middle.
Slackbot and Anthropic administrator, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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