{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/CardReaderAPDURequest",
  "title": "CardReaderAPDURequest",
  "type": "object",
  "description": "It contains the APDU request to send to the chip of the card, and a possible invitation message to display on the CashierInterface or the CustomerInterface. Content of the Card Reader APDU Request message.",
  "properties": {
    "APDUClass": {
      "type": "string",
      "format": "byte",
      "pattern": "^.{1,1}$",
      "description": "Class field of the APDU command (CLA)."
    },
    "APDUInstruction": {
      "type": "string",
      "format": "byte",
      "pattern": "^.{1,1}$",
      "description": "Instruction field of the APDU command (INS)."
    },
    "APDUPar1": {
      "type": "string",
      "format": "byte",
      "pattern": "^.{1,1}$",
      "description": "Parameter 1 field of the APDU command (P1)."
    },
    "APDUPar2": {
      "type": "string",
      "format": "byte",
      "pattern": "^.{1,1}$",
      "description": "Parameter 2 field of the APDU command(P2)."
    },
    "APDUData": {
      "type": "string",
      "format": "byte",
      "pattern": "^.+$",
      "description": "Data field of the APDU command (Lc + Data)."
    },
    "APDUExpectedLength": {
      "type": "string",
      "format": "byte",
      "pattern": "^.{1,1}$",
      "description": "Expected length of the data field of the APDU response to the command (Le)."
    }
  },
  "required": [
    "APDUClass",
    "APDUInstruction",
    "APDUPar1",
    "APDUPar2"
  ]
}