Render inbound webhook content as a PNG
An external event can produce a ready-to-share image without opening a design tool.
Trigger
Webhook received
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Action
Convert HTML to PNG
Tool to convert HTML string to PNG image. Use when you need a PNG from HTML after preparing your markup.
Why this helps
Operational updates often need a visual asset before they can be shared or reviewed.
- Create visual updates automatically
- Keep image styling consistent
- Speed up sharing workflows
Setup
Build it in a few focused steps.
- 1Connect CustomJS in Notis once.
- 2Create an automation that builds HTML from the webhook payload and renders it as PNG.
- 3Choose a webhook trigger and describe the payload and visual layout.
- 4Select where run reports go and test with one real request.
Questions about this workflow
Can the payload contain text and images?
Describe the supported content and rendering needs in the prompt so Notis can prepare the HTML.
Where does the PNG go?
The action returns the generated image for the workflow's configured handling and report channel.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Google Docs to Customjs. A trigger fires from one place; an action lands in another.
Google Docs triggers
Customjs actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Authenticate CustomJS API Key
Tool to authenticate a CustomJS API key. Use when verifying a user's API key before making further requests.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Convert HTML to PDF
Tool to convert HTML to a PDF document. Use when you need to generate a PDF from raw HTML. Returns raw PDF bytes suitable for download or storage.
New Document Created
Triggers when a new Google Doc is created. This trigger monitors Google Docs and fires when new documents are detected. Uses timestamp filtering to efficiently poll for new documents.
Convert HTML to PNG
Tool to convert HTML string to PNG image. Use when you need a PNG from HTML after preparing your markup.
Document Deleted
Triggers when an existing Google Doc is deleted (moved to trash). This trigger monitors Google Docs and fires when documents are trashed.
Capture webpage screenshot
Tool to capture a screenshot of a webpage. Use when you need a visual snapshot of a URL.
Document Placeholder Filled
Triggers when a Google Doc's plain text changes such that a configured placeholder token/pattern is no longer present (i.e., the document has been filled in). This trigger monitors a specific Google Doc and fires when a placeholder pattern that was previously present is no longer found in the document's plain text.
Merge multiple PDFs into one
Tool to merge multiple PDF files into a single PDF. Use when you have multiple PDF URLs and want one combined PDF.
Document Search Update
Triggers when a Google Doc matching a user-defined search query is newly created or updated since the last poll. This trigger uses timestamp filtering to efficiently monitor documents.
Run Puppeteer Script
Tool to run a Puppeteer script and capture a screenshot. Use when automating headless browser tasks and needing a PNG output. Use after confirming the script logic.
Document Structure Changed
Triggers when a Google Doc's structure changes (headers/footers added/removed, tables/images count changes). This trigger monitors a specific document for structural changes like: - Headers added or removed - Footers added or removed - Tables added or removed - Images (inline objects) added or removed - Positioned objects added or removed - Footnotes added or removed
Document Updated
Triggers when an existing Google Doc is updated or modified. This trigger monitors Google Docs and fires when documents are updated.
Connect any two apps with Notis in the middle.
Google Docs and Customjs, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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