Keep private preview reviews moving
Capture the page that arrived in your DM before it slips out of view.
Trigger
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Action
Capture Screenshot
Tool to capture a webpage screenshot. Use when you need a visual snapshot of a URL or HTML with optional viewport and clipping.
Why this helps
Preview links sent privately are easy to lose among unrelated messages.
- Creates a visual reminder tied to a preview link.
- Makes private review easier to resume after interruptions.
- Reduces manual copying into a separate capture tool.
Setup
Build it in a few focused steps.
- 1Connect Slack and Cloudflare browser rendering to Notis once.
- 2Create an automation in the portal with a prompt to capture preview URLs received in Slack DMs.
- 3Pick the Slack direct message trigger and the channel where run reports should appear.
- 4Send a real preview URL in a DM and inspect the screenshot.
Questions about this workflow
Can this trigger from all DMs?
The listed trigger catches DMs across DM channels; use the prompt to describe which preview messages are relevant.
Will the screenshot be shared publicly?
The workflow captures the page through the connected service; choose an appropriate Notis reporting channel.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Cloudflare browser rendering. A trigger fires from one place; an action lands in another.
Slack triggers
Cloudflare browser rendering actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Capture Screenshot
Tool to capture a webpage screenshot. Use when you need a visual snapshot of a URL or HTML with optional viewport and clipping.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
List Accounts
Tool to list all Cloudflare accounts accessible. Use to retrieve a valid account_id for further browser rendering actions.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Scrape HTML Elements
Tool to scrape HTML elements for text, HTML, attributes, and box metrics. Use when you need detailed data of matched selectors after rendering a page.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Take Webpage Snapshot
Tool to capture rendered HTML and screenshot of a webpage. Use when you need both DOM content and an image in one request with custom loading and capture settings.
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 Cloudflare browser rendering, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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No card. Works with personal or business Cloudflare browser rendering.