Event

Message category	Class	Direction
`Event`	Event	Terminal → ECR

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Used in these guides
Connect your ECR · Implement the payment flow · Handle events · Test and get approved

Event messages are sent from the terminal to the ECR without being asked, for example when the terminal can't read a message from the ECR. They need no response.

Example request and response

event

All fields

Example: invalid message from the ECR

{
  "SaleToPOIRequest": {
    "MessageHeader": {
      "MessageCategory": "Event",
      "MessageClass": "Event",
      "MessageType": "Notification",
      "ProtocolVersion": "3.1"
    },
    "EventNotification": {
      "EventDetails": "Invalid Nexo message",
      "EventToNotify": "Reject"
    }
  }
}

Field	Description
`EventNotification`	Contains the fields below
↳ `EventDetails`	Description of the event
↳ `EventToNotify`	Type of event, for example `Reject`