EnableService

Message category	Class	Direction
`EnableService`	Service	ECR → terminal

📘
Used in these guides
Cancel an in-progress payment · Loyalty and card acquisition

If no Payment or BalanceInquiry request is initiated after the CardAcquisition request/response, the ECR must send an EnableService request with the TransactionAction component set to “AbortTransaction” to terminate the card processing and remove the card from the card reader.

Example request and response

enableservice

All fields

Example request

{
  "SaleToPOIRequest": {
    "MessageHeader": {
      "ProtocolVersion": "3.1",
      "ServiceID": "2",
      "MessageClass": "Service",
      "MessageCategory": "EnableService",
      "MessageType": "Request",
      "SaleID": "ECR123",
      "POIID": "AT12345"
    },
    "EnableServiceRequest": {
      "TransactionAction": "AbortTransaction"
    }
  }
}

Field	Required	Description
`EnableServiceRequest`	Required	Contains the fields below
↳ `TransactionAction`	Required	For abort always "AbortTransaction"

Example response, successful AbortTransaction

{
  "SaleToPOIResponse": {
    "MessageHeader": {
      "MessageCategory": "EnableService",
      "MessageClass": "Service",
      "MessageType": "Response",
      "POIID": "AT12345",
      "ProtocolVersion": "3.1",
      "SaleID": "ECR123",
      "ServiceID": "1"
    },
    "EnableServiceResponse": {
      "Response": {
        "AdditionalResponse": "",
        "ErrorCondition": "Aborted",
        "Result": "Success"
      }
    }
  }
}