Turn saved Slack messages into quick briefs
Give messages you want to revisit a compact explanation that is easier to pick up later.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Generate Content (Gemini)
Generates text content from prompts using gemini models. supports various models like gemini flash and pro with configurable temperature, token limits, and safety settings for diverse text generation tasks.
Why this helps
A message marked for later can lose its meaning when you return after handling other work.
- Create a quick re-entry point for saved messages.
- Preserve the key request and relevant details.
- Spend less time reconstructing context.
Setup
Build it in a few focused steps.
- 1Connect Slack and Gemini to Notis once through the portal.
- 2Create an automation in the portal or ask Notis to brief messages when a designated reaction is added.
- 3Describe the brief format in one plain-language instruction, including how to handle missing context.
- 4Select the Message Reaction Added trigger and choose a channel for run reports.
- 5Test by reacting to a real message you intend to revisit.
Questions about this workflow
Can I use a special emoji as a bookmark?
Yes, the reaction trigger supports optional filtering by emoji name where available.
Will the brief include a full conversation history?
The result depends on the context provided to Gemini. Ask for a brief grounded in the available message.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Gemini. A trigger fires from one place; an action lands in another.
Slack triggers
Gemini actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Count Tokens (Gemini)
Counts the number of tokens in text using gemini tokenization. useful for estimating costs, checking input limits, and optimizing prompts before making api calls.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Download Video (Veo)
Downloads a generated veo video to local storage. takes the video uri from a completed operation and saves it to the specified file path.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Embed Content (Gemini)
Generates text embeddings using gemini embedding models. converts text into numerical vectors for semantic search, similarity comparison, clustering, and classification tasks.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Generate Content (Gemini)
Generates text content from prompts using gemini models. supports various models like gemini flash and pro with configurable temperature, token limits, and safety settings for diverse text generation tasks.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Generate Image (Gemini 2.5 Flash)
Generates images from text prompts using gemini 2.5 flash image preview model. supports creative image generation with customizable parameters like aspect ratio, safety settings, and optional file saving.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Generate Videos (Veo)
Generates videos from text prompts using google's veo models. creates high-quality video content with customizable aspect ratios, duration, and style controls. returns operation id for tracking progress.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Get Videos Operation (Veo)
Checks the status of a veo video generation operation. use the operation name from generatevideos to track progress and get the download url when complete.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
List Models (Gemini API)
Lists available gemini and veo models with their capabilities and limits. useful for discovering supported models and their features before making generation requests.
Connect any two apps with Notis in the middle.
Slack and Gemini, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
Save your first hour today.
7-day trial of any paid plan, with 20$ of usage included.
No card. Works with personal or business Gemini.