1️⃣ Google Drive Trigger — fires the moment a new file is created
2️⃣ Download File — pulls the file directly into the workflow
3️⃣ Extract from File — reads and extracts text from the PDF
4️⃣ Basic LLM Chain (OpenAI) — uses AI to understand and structure the extracted content
5️⃣ Structured Output Parser — formats the AI response into clean, consistent data
6️⃣ Append Row in Sheet — writes the final data into Google Sheets automatically