Turn a reaction into a ready link
A quick reaction can signal that a long URL is ready to be shortened for wider sharing.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Shorten URL with L2S
Tool to shorten a given long url. use when you need a concise link representation.
Why this helps
Teams lose momentum when link cleanup requires a separate request and extra context switching.
- Use an existing reaction as a clear handoff.
- Avoid repeating link details in another message.
- Prepare cleaner URLs for the next update.
Setup
Build it in a few focused steps.
- 1Connect Slack and L2s to Notis once in the portal.
- 2Create an automation and tell Notis to shorten a long URL in a message when the agreed reaction is added.
- 3Select Slack Message Reaction Added and choose a channel for run reports.
- 4Add the reaction to one real message with a long URL to check the outcome.
Questions about this workflow
Can a reaction be the signal to process a link?
Yes. The reaction-added trigger can start the workflow, and your instruction can specify the reaction and link behavior.
Does the trigger itself limit which reaction is used?
It supports optional channel and emoji filtering. Your automation prompt can also state the intended reaction.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to L2s. A trigger fires from one place; an action lands in another.
Slack triggers
L2s actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Get URL Details
Tool to retrieve details of a shortened url. use when you need metadata about a specific shortened link. use after obtaining a valid url id.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get User Settings
Tool to retrieve current user's settings. use after authentication to fetch email, notification, and appearance preferences.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
List Shortened URLs
Tool to list all shortened urls. use after user authentication to retrieve the user's urls with pagination details.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Shorten URL with L2S
Tool to shorten a given long url. use when you need a concise link representation.
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.
Slack and L2s, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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