Mark messages you want to hear
Use one familiar reaction to ask for a spoken version of a Slack message worth keeping close.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
GAN AI Text-to-Speech
Tool to convert text to speech synchronously. Use after selecting a voice ID via Get Voices tool.
Why this helps
Useful messages can slip out of view when there is no simple, low-effort way to save them for later attention.
- Use a quick reaction to signal that a message should become audio.
- Avoid composing a separate instruction for each useful message.
- Make selected context available in a spoken form.
Setup
Build it in a few focused steps.
- 1Connect Slack and Gan ai to Notis once in the portal.
- 2Create an automation telling Notis to make a concise spoken version of the reacted-to message using Gan ai text-to-speech.
- 3Pick Slack Message Reaction Added, select the reaction in the trigger if needed, and choose a run-report channel.
- 4Test by adding the chosen reaction to one real message.
Questions about this workflow
Can a reaction mark the message for speech?
Yes. Choose a reaction trigger and state in the instruction that the reacted-to message should become a concise spoken version.
What if I remove the reaction?
This workflow starts when a reaction is added. Removing a reaction does not undo speech already generated.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Gan ai. A trigger fires from one place; an action lands in another.
Slack triggers
Gan ai actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
GAN.AI Login
Tool to authenticate a user and retrieve tokens. - If email/password are provided: performs classic login (POST /users/login). - Otherwise: mints a dynamic access token using existing Authorization (POST /users/create_dynamic_token_v2).
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
GAN AI Text-to-Speech
Tool to convert text to speech synchronously. Use after selecting a voice ID via Get Voices tool.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Get Avatar Video Inference Details
Tool to retrieve detailed status and metadata for a specific avatar video inference. Use when you have an inference_id and need to check its processing status and access video URLs.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Get Photo Avatar Details
Tool to retrieve detailed information for a specific photo avatar by ID. Use when you need to check photo avatar processing status and access its metadata and image URL.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Get photo avatar inference details
Tool to fetch photo avatar inference details. Use after obtaining a valid inference ID to retrieve detailed information.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
List avatar video inferences
Tool to list avatar video inferences. Use when you need to retrieve generated avatar videos with optional filtering by avatar ID, title, status, or date range.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
List photo avatar inferences
Tool to list photo avatar inferences. Use when you need to retrieve inference videos with optional filtering by avatar, title, status, or date range.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
List Photo Avatars
Tool to list avatars. Use when you need a paginated collection of avatars with filters. Example: "List the first 10 published avatars created after 2023-01-01".
Connect any two apps with Notis in the middle.
Slack and Gan ai, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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