Field Service · Job Reportsn8n · Whisper · DriveDeployed in the projectBased on a project I built

The technician speaks. The report writes itself and files itself.

Case study by Achiya Cohen, founder of Achiya Automation

A reporting system for a field-service company: the technician sends a recording, text and photos from the field to a WhatsApp group — and the system transcribes, drafts a professional job report, generates a designed PDF and saves it in Drive in a neatly named folder. It supports several open jobs in parallel for the same technician.

Measured
From finishing the job to a finished report
1
End-to-end flow
Defined
Report format
Before & After

The report gets written at night Recording → designed report

Before
  • A field technician finishes a job — but isn't done yet: a report is needed
  • Drafting each report by hand continues after the field work is done
  • Every technician phrases it differently — no consistency in the reports customers receive
  • Photos from the field scattered across the gallery, unlinked to any job
After
  • The technician sends a recording/text/photos to the WhatsApp group
  • AI transcribes, drafts a professional report and generates a designed PDF
  • The report is saved in Drive in a tidy folder per job
  • "End report" — and the finished report comes back to the group
The flow itself

Here's how it works inside

A description of each flow, with identifying details removed.

FLOW · 01

Free-form report → AI drafting → PDF in Drive

The technician reports however is convenient: a voice recording (transcribed automatically), free text or photos. The AI identifies which job each report belongs to, drafts a professional job report in proper Hebrew — arrival status, findings, repair, closure — and on the "end report" command generates a designed PDF, saves it in Drive in a folder named after the job and sends it back to the group.

WhatsApp groupWhisper STTAI AgentPDFGoogle Drive
Screenshot of the n8n flow. What happens: 1. The technician sends an update 2. The text in the photos is read 3. AI writes a neat report 4. The photos are filed in a folder 5. A PDF report goes to the group
Results

The numbers you feel every day

Measured
Report preparation time
The manual preparation time is compared with the flow
Template
Structure
The flow produces the report using a predefined structure
Review
Photo assignment
The flow assigns photos and flags exceptions for review

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