{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "LoyaltyTransaction",
  "description": "A Speed Perks points transaction.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Transaction ID.",
      "example": "txn-001"
    },
    "type": {
      "type": "string",
      "description": "Transaction type.",
      "enum": [
        "earn",
        "redeem",
        "expire",
        "adjust"
      ]
    },
    "points": {
      "type": "integer",
      "description": "Points earned or redeemed.",
      "example": 100
    },
    "description": {
      "type": "string",
      "description": "Transaction description."
    },
    "date": {
      "type": "string",
      "format": "date-time",
      "description": "Transaction date."
    }
  }
}