Capture the final review screenshot after a Slack status change
Preserve the state of a page when a review moves to its next stage.
Trigger
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
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
Review status changes happen quickly, but the page state at that moment is rarely preserved.
- Records the page state at a meaningful workflow transition.
- Uses a simple Slack status convention.
- Creates evidence for later review or handoff.
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Cloudflare browser rendering once in Notis.
- 2Create an automation named Final review screenshot.
- 3Tell Notis to find the URL in the message whose reaction was removed and capture a screenshot of the current page.
- 4Pick Message Reaction Removed as the trigger and choose where run reports go.
- 5Test by removing the agreed review reaction from one URL message.
Questions about this workflow
Why use a removed reaction?
It can represent a handoff or review completion convention your team already follows.
Can it clip a specific area?
Yes, if the screenshot request includes a valid clipping region.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slackbot to Cloudflare browser rendering. A trigger fires from one place; an action lands in another.
Slackbot 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.
Slackbot and Cloudflare browser rendering, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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