{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/PurchaseInvoice",
  "title": "PurchaseInvoice",
  "type": "object",
  "properties": {
    "id": {
      "type": "string"
    },
    "date": {
      "type": "string",
      "format": "date"
    },
    "due_date": {
      "type": "string",
      "format": "date"
    },
    "reference": {
      "type": "string"
    },
    "vendor_reference": {
      "type": "string"
    },
    "status": {
      "$ref": "#/components/schemas/StatusRef"
    },
    "contact": {
      "$ref": "#/components/schemas/ContactRef"
    },
    "line_items": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/LineItem"
      }
    },
    "net_amount": {
      "type": "number"
    },
    "tax_amount": {
      "type": "number"
    },
    "total_amount": {
      "type": "number"
    },
    "outstanding_amount": {
      "type": "number"
    }
  }
}