{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://data.jambase.com/json-schema/offer.json",
  "title": "Offer",
  "description": "Something for sale, typically a concert ticket",
  "type": "object",
  "required": [
    "identifier",
    "url",
    "category",
    "seller",
    "validFrom"
  ],
  "allOf": [
    {
      "$ref": "#/components/schemas/Thing"
    },
    {
      "type": "object",
      "properties": {
        "identifier": {
          "type": "string",
          "description": "A unique identifier of the item",
          "example": "jambase:194164"
        },
        "url": {
          "type": "string",
          "format": "uri",
          "description": "URL of the item"
        },
        "category": {
          "type": "string",
          "description": "The category of the Offer, typically used to identify a primary or secondary ticketing link",
          "examples": [
            "ticketingLinkPrimary",
            "ticketingLinkSecondary"
          ]
        },
        "priceSpecification": {
          "$ref": "#/components/schemas/PriceSpecification"
        },
        "seller": {
          "$ref": "#/components/schemas/Organization",
          "required": true
        },
        "validFrom": {
          "example": "2022-12-07T12:42:00",
          "schema": {
            "type": "string",
            "format": "dateTime"
          }
        }
      }
    }
  ]
}