Download Media Files from Slack Messages

Description: This n8n workflow helps you capture Slack messages via a webhook and download attached media files (like images, documents, or videos) directly from those messages. How it works: Slack Trigger (Webhook) – Listens for new messages in a Slack channel where the app is added. HTTP Request – Uses the file's private download URL to retrieve the media securely. Use cases: Download files shared by team members in a Slack channel. Capture and process media from specific project or support channels. Prepare media for later processing, archiving, or review. Requirements: Slack app with appropriate permissions (files:read, channels:history, etc.). Slack webhook set up to listen to channel m

Help me set up the n8n workflow "Download Media Files from Slack Messages" (https://n8n.io/workflows/4039). It uses: HTTP Request. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.