{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "TransactionRejectJsonRequestBodyV11",
  "properties": {
    "orderId": {
      "type": "integer",
      "format": "int64",
      "description": "Transaction ID assigned by Przelewy24"
    },
    "sessionId": {
      "type": "string",
      "description": "Unique ID from Partner\u2019s system"
    },
    "sign": {
      "type": "string",
      "description": "<br>Checksum of parameters:<br> {<font color = \"brown\">\"merchantId\":</font>int,<font color = \"brown\">\"orderId\":</font>int,<font color = \"brown\">\"sessionId\":</font>\"string\",<font color = \"brown\">\"crc\":</font>\"string\"} <br><br>calculated with the use of sha384<br><br> <b><font color = \"#DB2053\">IMPORTANT!:</font></b><br>  in case json_encode function is used, the following attributes should be added <br> \"JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES\""
    }
  }
}