This workflow shows you how to post a message to a Slack channel and add a file attachment. It also shows you the general pattern for working with Binary data in n8n (any file like a PDF, Image etc). Specifically, this workflow shows how to download a file from a URL into your workflow, and then upload it to Slack. Video walkthrough Watch this 3 min Loom video for a walkthrough and more context on this general pattern:
Scriflow builds and adapts n8n workflows with AI. Open this template in the editor to get the import-ready JSON.