{
  "type": "object",
  "properties": {
    "issue_id": {
      "type": "string",
      "description": "internally assigned checkout identifier"
    },
    "borrowernumber": {
      "$ref": "../x-primitives.json#/borrowernumber"
    },
    "itemnumber": {
      "$ref": "../x-primitives.json#/itemnumber"
    },
    "date_due": {
      "type": "string",
      "description": "Due date"
    },
    "branchcode": {
      "type": "string",
      "description": "code of the library the item was checked out"
    },
    "issuingbranch": {
      "type": "string",
      "description": "Code of the branch where issue was made"
    },
    "returndate": {
      "type": ["string", "null"],
      "description": "Date the item was returned"
    },
    "lastreneweddate": {
      "type": ["string", "null"],
      "description": "Date the item was last renewed"
    },
    "renewals": {
      "type": ["integer", "null"],
      "description": "Number of renewals"
    },
    "auto_renew": {
      "type": "boolean",
      "description": "Auto renewal"
    },
    "timestamp": {
      "type": "string",
      "description": "Last update time"
    },
    "issuedate": {
      "type": ["string", "null"],
      "description": "Date the item was issued"
    },
    "onsite_checkout": {
      "type": "boolean",
      "description": "On site checkout"
    },
    "note": {
      "type": ["string", "null"],
      "description": "Issue note text"
    },
    "notedate": {
      "type": ["string", "null"],
      "description": "Datetime of the issue note"
    }
  }
}