{
  "name": "Vendor master amendment intake",
  "description": "Extract vendor reference, supplier name, request date from amendment request. Start with an editable schema, inspect JSON and review exceptions before your system handoff.",
  "prompt_additions": "Extract only information explicitly present in this document. Do not infer missing values, verify authenticity, make business decisions, or compare other documents. Preserve identifiers as strings. Return amounts as numbers and dates as YYYY-MM-DD. Review and set required fields for your process before using this schema in production.",
  "fields": [
    {
      "key": "vendor_reference",
      "label": "Vendor Reference",
      "type": "string",
      "required": false,
      "description": "Vendor reference exactly as printed in this amendment request. Preserve identifiers and qualifiers; do not look up or infer missing information."
    },
    {
      "key": "supplier_name",
      "label": "Supplier Name",
      "type": "string",
      "required": false,
      "description": "Supplier name exactly as printed in this amendment request. Preserve identifiers and qualifiers; do not look up or infer missing information."
    },
    {
      "key": "request_date",
      "label": "Request Date",
      "type": "date",
      "required": false,
      "description": "Request date explicitly printed in this amendment request. Keep it distinct from other dates; leave it empty if no calendar date is stated."
    },
    {
      "key": "effective_date",
      "label": "Effective Date",
      "type": "date",
      "required": false,
      "description": "Effective date explicitly printed in this amendment request. Keep it distinct from other dates; leave it empty if no calendar date is stated."
    },
    {
      "key": "changed_fields",
      "label": "Changed Fields",
      "type": "array",
      "required": false,
      "description": "Every visible changed fields row in this amendment request. Preserve separate rows, labels and qualifiers; do not merge entries or reconstruct missing ones.",
      "items": {
        "type": "object",
        "fields": [
          {
            "key": "field_name",
            "label": "Field Name",
            "type": "string",
            "required": false,
            "description": "Field name exactly as printed in this amendment request. Preserve identifiers and qualifiers; do not look up or infer missing information."
          },
          {
            "key": "previous_value_text",
            "label": "Previous Value Text",
            "type": "string",
            "required": false,
            "description": "Previous value text exactly as printed in this amendment request. Preserve identifiers and qualifiers; do not look up or infer missing information."
          },
          {
            "key": "requested_value_text",
            "label": "Requested Value Text",
            "type": "string",
            "required": false,
            "description": "Requested value text exactly as printed in this amendment request. Preserve identifiers and qualifiers; do not look up or infer missing information."
          },
          {
            "key": "change_reason",
            "label": "Change Reason",
            "type": "string",
            "required": false,
            "description": "Change reason exactly as printed in this amendment request. Preserve identifiers and qualifiers; do not look up or infer missing information."
          }
        ]
      }
    },
    {
      "key": "signer_name",
      "label": "Signer Name",
      "type": "string",
      "required": false,
      "description": "Signer name exactly as printed in this amendment request. Preserve identifiers and qualifiers; do not look up or infer missing information."
    }
  ]
}