Save email attachments to Nextcloud

This workflow will take all emails you put into a certain folder, upload any attachements to Nextcloud, and mark the emails as read (configurable). Attachements will be saved with automatically generated filenames: 2021-01-01From-Sender-NameFilename-of-attachement.pdf Instructions: Allow lodash to be used in n8n (or rewrite the code...) NODEFUNCTIONALLOWEXTERNAL=lodash (environment variable) Import workflow Set credentials for Email & Nextcloud nodes Configure to use correct folder / custom filters Activate Custom filter examples: Only unread emails: Custom Email Config = ["UNSEEN"] Filter emails by 'to' address: Custom Email Config = [["TO", "example+invoices@posteo.de"]]

Help me set up the n8n workflow "Save email attachments to Nextcloud" (https://n8n.io/workflows/1344). It uses: Nextcloud. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.