Automation library · Data collection

Automate data extraction from faxes & PDFs with Gemini

Started by someone submitting a form, and works across Google Drive and Google Sheets. It hands the judgement calls to Gemini. 11 steps: a working afternoon to understand properly.

MediumCalls a model: Gemini

11 stepsMedium: a working afternoon
0Branches: places the flow splits
0Loops or waits
2Services it connects to

The flow

Starts it 1Model 3Logic 2Service 5

The steps in the order they run, from what starts it.

  1. 1Google Gemini Chat ModelLm Chat Google GeminiModel
  2. 2Structured Output ParserOutput Parser StructuredModel
  3. 3On form submissionForm triggerStarts it
  4. 4Basic LLM ChainChain LlmModel
  5. 5Upload fileGoogle DriveService
  6. 6Append row in sheetGoogle SheetsService
  7. 7Define PromptSetLogic
  8. 8Google DriveGoogle DriveService
  9. 9Extract from FileExtract From FileService
  10. 10Call Gemini 2.0 Flash with PDF CapabilitiesHttp RequestService
  11. 11CodeCodeLogic

How it's built

Starts on
Someone submitting a form
Steps
11
Size
Medium: a working afternoon
Connects to
Google Drive, Google Sheets
Model
Gemini

Questions

What does it need to run?

An n8n account, plus your own Google Drive and Google Sheets accounts, and a key for Gemini. You connect your own accounts after importing it; none are included.

What starts it?

It starts on someone submitting a form.

Does it use AI?

Yes. It calls Gemini. Model calls are billed by the provider, not by n8n.

How long does it take to set up?

Plan an afternoon. 11 steps is enough that you should read each one before running it.

How do I import it?

Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.

Before you run it

Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 11 steps before you point it at anything that matters.