Build: a structured extractor
Your support inbox gets 3,000 emails a day, written every way people write. You'll build the piece that turns each one into clean, validated JSON that the rest of your system can trust, and prove it works with a test set.
In this lesson you'll learn to
- Design a schema that allows missing values and limits answers to the choices your system understands.
- Write the extraction prompt with clear instructions, tagged input and rules for missing data.
- Validate the model's output in code and route failures to a person instead of guessing.
- Measure field-by-field accuracy on a golden set and use the failures to improve the prompt.
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