{
  "$id": "https://schemata.openattestation.com/io/tradetrust/invoice/1.0",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "required": ["id"],
  "definitions": {
    "CompanyInfo": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        },
        "streetAddress": {
          "type": "string"
        },
        "city": {
          "type": "string"
        },
        "postalCode": {
          "type": "string"
        },
        "phoneNumber": {
          "type": "string"
        }
      }
    }
  },
  "properties": {
    "name": {
      "type": "string"
    },
    "id": {
      "type": "string"
    },
    "date": {
      "type": "string"
    },
    "customerId": {
      "type": "string"
    },
    "terms": {
      "type": "string"
    },
    "subtotal": {
      "type": "string"
    },
    "tax": {
      "type": "string"
    },
    "taxTotal": {
      "type": "string"
    },
    "total": {
      "type": "string"
    },
    "billFrom": {
      "$ref": "#/definitions/CompanyInfo"
    },
    "billTo": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        },
        "company": {
          "$ref": "#/definitions/CompanyInfo"
        },
        "email": {
          "type": "string"
        },
        "postalCode": {
          "type": "string"
        },
        "phoneNumber": {
          "type": "string"
        }
      }
    },
    "billableItems": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "description": {
            "type": "string"
          },
          "quantity": {
            "type": "string"
          },
          "unitPrice": {
            "type": "string"
          },
          "amount": {
            "type": "string"
          }
        }
      }
    },
    "links": {
      "type": "object",
      "properties": {
        "self": {
          "type": "object",
          "properties": {
            "href": {
              "type": "string"
            }
          }
        }
      }
    }
  }
}