Save selected Slack milestones with a reaction
Mark the updates worth keeping, then let Notis add them to a showcase.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Update Presentation (Batch/Markdown)
Tool to update existing google slides presentations with either raw api requests or markdown content. **two operation modes:** 1. **raw api mode**: provide direct slides api requests for precise control 2. **markdown mode**: provide markdown text to automatically add professional slides **markdown features:** - professional themes with coordinated colors and backgrounds - dynamic font sizing that prevents overflow (notion-like hierarchy) - smart table auto-sizing with column width optimization - auto-centering and professional positioning - bold formatting, emojis, and multi-line content support - multiple slide types: title, bullet, table, quote, image, two-column **use cases:** - add new slides to existing presentations - update presentation content with markdown - apply professional themes and styling - bulk slide creation with consistent formatting
Why this helps
Deciding which updates deserve a lasting record adds friction to busy weeks.
- Use a familiar reaction to flag standout updates.
- Keep the showcase selective and useful.
- Avoid copying approved wins by hand.
Setup
Build it in a few focused steps.
- 1Connect Slack and Google Slides once in the Notis portal.
- 2Create an automation in the portal or ask Notis to create it conversationally.
- 3Give Notis one plain-language instruction to add the reacted-to message as a concise milestone in your showcase deck.
- 4Select the Slack message reaction added trigger and choose the intended emoji and channel if desired.
- 5Choose a run-report channel and test by reacting to one genuine milestone.
Questions about this workflow
Does every reaction qualify?
The trigger can be filtered by an emoji and optionally a channel, so use a deliberate marker for showcase-worthy updates.
Can this add to an existing showcase?
Yes. Name the existing presentation in your instruction.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Google Slides. A trigger fires from one place; an action lands in another.
Slack triggers
Google Slides actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Create Slides from Markdown
Creates a new google slides presentation from markdown text. automatically splits content into slides using '---' separators and applies appropriate templates based on content structure.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Update Presentation (Batch/Markdown)
Tool to update existing google slides presentations with either raw api requests or markdown content. **two operation modes:** 1. **raw api mode**: provide direct slides api requests for precise control 2. **markdown mode**: provide markdown text to automatically add professional slides **markdown features:** - professional themes with coordinated colors and backgrounds - dynamic font sizing that prevents overflow (notion-like hierarchy) - smart table auto-sizing with column width optimization - auto-centering and professional positioning - bold formatting, emojis, and multi-line content support - multiple slide types: title, bullet, table, quote, image, two-column **use cases:** - add new slides to existing presentations - update presentation content with markdown - apply professional themes and styling - bulk slide creation with consistent formatting
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Create Google Slides Presentation
Tool to create a blank or duplicate presentation. use when you need to initialize a presentation with a specific title or duplicate an existing one.
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 Presentation
Tool to retrieve the latest version of a presentation. use after obtaining the presentation id.
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 Presentation Page
Tool to get the latest version of a specific page in a presentation. use when you need to inspect slide, layout, master, or notes page details.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Get Page Thumbnail
Tool to generate and return a thumbnail image url for a specific page. use when you need a quick preview of a slide page after loading it.
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 Google Slides, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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