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ExpertPremiumDocument ProcessingScheduled trigger21 nodes

Extract from documents with Google Drive

Runs on a schedule across Google Drive, Slack and Google Sheets, looks the answer up in a vector store, then parses the incoming file into rows. Built for summarization, around a "List Changed Docs (Google Drive)" step, in 21 documented nodes.

Extract from documents with Google Drive and Google Sheets at scale. An original, ready-to-import n8n workflow built around the 'File Processing' pattern for legal & compliance. It runs on a schedule and orchestrates 21 nodes across Google Drive, Slack, Google Sheets. It uses n8n's LangChain AI nodes (Agent/Chain + chat model). Retry-on-fail is enabled on external calls. Import the JSON, add your credentials, and adapt the parameters. Your team sees the right data at the right time.

Key benefits

  • Keeps Google Drive and Slack in step for summarization, without anyone re-typing a row
  • Safe to re-run: records already in Google Drive or Slack are skipped, across all 21 nodes of this summarization build
  • A failed Google Drive or Slack call is retried rather than dropped, at any of the 21 nodes in this summarization build
  • Every summarization run leaves an audit row behind, alongside Google Drive
  • Fans the same result out to Google Sheets in the same run, for summarization

Use cases

  • Teams keeping Google Drive and Slack aligned by hand for summarization
  • Answering summarization questions from your own indexed documents, then replying in Google Drive
  • Summarization work where "List Changed Docs (Google Drive)" is still a manual step before Google Drive
  • Summarization work that only reaches Google Drive on a schedule, when someone remembers to start it

Integrations

Google DriveSlackGoogle SheetsOpenRouter

Workflow preview (21 nodes)

The template's actual node layout and connections. Node parameters and credential slots unlock with the download.

Hourly ScheduleSchedule TriggerList Changed Docs (Goog…Google DriveRemove Duplicate Docume…Remove DuplicatesDownload File ContentGoogle DriveExtract Text from FileExtract From FileAttach Chunk MetadataCodeInsert into Vector StoreVector Store SupabasePrepare DocumentsDocument Default Data LoaderChunk with OverlapText Splitter Recursive Cha…Document EmbeddingsEmbeddings Open AiCount Indexed ChunksAggregateStamp Completion TimeDate TimePersist Run MetadataExecution DataLoad Previous SnapshotGoogle SheetsCompute Drift vs Snapsh…CodeSerialize Run Output (C…Convert To FileArchive Copy to Google …Google DriveSend Summary to SlackSlackCapture Failure ContextSetEscalate Failure to Sla…SlackPark in Dead-Letter Que…Google Sheets

What's inside (21 nodes)

A look at the node types this workflow uses. No purchase required — full parameters and credentials are yours after you buy.

AggregateCodeConvert To FileDate TimeDocument Default Data LoaderEmbeddings Open AiExecution DataExtract From FileGoogle DriveGoogle SheetsRemove DuplicatesSchedule TriggerSetSlackText Splitter Recursive Character Text SplitterVector Store Supabase

From download to running in 3 steps

  1. 1
    Import. In n8n, open Workflows → menu → “Import from File” and pick the downloaded JSON.
  2. 2
    Connect. Add your own credentials on the app nodes - n8n highlights exactly which ones need them.
  3. 3
    Activate. Run it once to test, then toggle Active. The automation is live.

What you'll learn

Production level

Production-grade: idempotency, dead-letter handling, and reconciliation included.

  • Downloading and parsing CSV, XLSX, or PDF into JSON items
  • Serializing processed items back out to a file
  • Archiving the processed file

Every node carries its own documentation on the canvas, plus notes explaining why the architecture was built this way, a credential setup guide, troubleshooting, and three practice exercises. Sample data comes pinned to the trigger, so you can hit Execute and watch data flow before connecting a single account.

Common questions

What exactly do I get?

The complete, ready-to-import n8n workflow as a JSON file, delivered instantly after payment. Import it into your own n8n (cloud or self-hosted), add your credentials, and it runs.

How do I import it into n8n?

In n8n, open Workflows, click the three-dot menu, choose “Import from File”, and select the downloaded JSON. Then connect your own app credentials on the highlighted nodes.

Do I need anything else for it to work?

You need your own n8n instance and accounts/credentials for the apps this workflow connects to (Google Drive, Slack, Google Sheets). No coding is required.

What if it doesn't work for me?

If the file is faulty, won't import, or isn't as described, contact us within 7 days and we'll fix it or refund you - see our refund policy.

Can I modify or resell it?

You can freely adapt and use it in your own or your clients' projects. Reselling or redistributing the template file itself is not permitted.

Original n8n workflow template created and owned by WorkflowCrate. After purchase you receive the ready-to-import JSON file and a license to use and adapt it in your own projects.