Make launch links ready to preview
When a channel announcement includes a launch URL, render the linked page as an image for a quick visual preview.
Trigger
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Action
HTML to Image
Tool to convert base64-encoded html to an image. use when you need to render raw html or a url into png, jpeg, or webp after content load.
Why this helps
A launch link in chat can be easy to overlook, and opening several pages interrupts the flow of reviewing the announcement.
- Creates a visual preview from the URL in the announcement.
- Makes launch review more glanceable in a busy channel.
- Avoids manually opening and capturing each announced page.
Setup
Build it in a few focused steps.
- 1Connect Slack and Cloudlayer to Notis once in the portal.
- 2Create the automation conversationally or from Automations in the portal.
- 3Write one instruction asking Notis to render the public page URL as an image when a launch announcement includes a link.
- 4Choose the Slack channel message trigger and a channel for run reports.
- 5Test with one real launch announcement containing a publicly accessible URL.
Questions about this workflow
Does it render the Slack message itself?
No. Cloudlayer renders a webpage URL supplied in the qualifying announcement.
Can it render a private or login-protected page?
The URL must be accessible to Cloudlayer for rendering; access restrictions may prevent a useful image.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Cloudlayer. A trigger fires from one place; an action lands in another.
Slack triggers
Cloudlayer actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
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Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Asset
Tool to retrieve a specific asset by its id. use when you need to fetch metadata or download url of an existing asset after its generation.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Get API Status
Tool to test api reachability. use when checking if the cloudlayer api is available.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
HTML to Image
Tool to convert base64-encoded html to an image. use when you need to render raw html or a url into png, jpeg, or webp after content load.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Convert HTML to PDF
Tool to convert html or a public url into a pdf document. use when you need programmatic pdf generation from html content.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
List Assets
Tool to list the ten most recent assets. use when you need to retrieve your latest cloudlayer assets.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
List Storage Configurations
Tool to retrieve a list of all storage configurations. use after authenticating to cloudlayer to view your account's storage settings.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Convert URL to Image
Tool to convert a webpage url to an image. use when dynamic screenshot parameters are needed.
Connect any two apps with Notis in the middle.
Slack and Cloudlayer, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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