{
  "lexicon": 1,
  "id": "sh.diffuse.output.playlistItem",
  "defs": {
    "main": {
      "type": "record",
      "record": {
        "type": "object",
        "required": ["id", "criteria", "playlist"],
        "properties": {
          "id": { "type": "string" },
          "createdAt": { "type": "string", "format": "datetime" },
          "criteria": {
            "type": "array",
            "description": "Criteria for matching this item against a set of tracks",
            "items": { "type": "ref", "ref": "#criterion" }
          },
          "ephemeral": { "type": "boolean" },
          "playlist": { "type": "string", "description": "The name of the playlist" },
          "positionedAfter": {
            "type": "string",
            "description": "Id of the item that this item should be positioned after"
          },
          "updatedAt": { "type": "string", "format": "datetime" }
        }
      }
    },
    "criterion": {
      "type": "object",
      "required": ["field", "value"],
      "properties": {
        "amount": { "type": "integer", "minimum": 0 },
        "field": { "type": "string" },
        "mode": { "type": "string", "knownValues": ["include", "exclude"], "default": "include" },
        "transformations": {
          "type": "array",
          "items": { "type": "ref", "ref": "#transformation" }
        },
        "value": {
          "type": "unknown",
          "description": "Value that should be matched belonging to the given field"
        }
      }
    },
    "transformation": {
      "type": "string",
      "description": "Transformation to apply to the field value before comparison. This transformation is method to call on the value. For example, `toString`"
    }
  }
}