{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://w3id.org/moochub/4.0.0/schemas/trailer.json",
  "title": "Trailer",
  "description": "A licensed video or audio trailer or teaser of the learning resource. It is intended for third-party players or embeds used to market the course.",
  "type": "object",
  "allOf": [
    {
      "$ref": "https://w3id.org/kim/amb/20231019/schemas/trailer.json"
    },
    {
      "type": "object",
      "properties": {
        "license": {
          "$ref": "https://w3id.org/moochub/4.0.0/schemas/license.json"
        },
        "description": {
          "$ref": "https://w3id.org/kim/amb/20231019/schemas/localizedString.json",
          "description": "A short description of the video teaser. It can be used as alternative text when the video cannot be displayed."
        }
      },
      "required": ["license"]
    }
  ]
}