Output Format Control

Controlling Output Format

Specify exactly how you want output structured to make parsing and downstream use reliable.

# JSON output
Extract the following from the invoice and return as valid JSON only.
No markdown, no explanation, just raw JSON.
{
  "invoice_number": string,
  "date": "YYYY-MM-DD",
  "vendor": string,
  "total": number,
  "line_items": [{"description": string, "amount": number}]
}

Invoice: [text]

# Custom structure
Answer in this exact format:
SUMMARY: [one sentence]
PROS: [bullet list, max 3 items]
CONS: [bullet list, max 3 items]
VERDICT: [one word: Recommended / Avoid / Neutral]

# Length control
Respond in exactly 3 sentences.
Use fewer than 100 words.
Answer Yes or No, then one sentence explanation.