{
  "lexicon": 1,
  "id": "my.spoor.log.activity",
  "defs": {
    "main": {
      "type": "record",
      "description": "A single activity (spoor) for a specific session",
      "key": "tid",
      "record": {
        "type": "object",
        "required": ["progress", "createdAt"],
        "nullable": ["performedAt"],
        "properties": {
          "session": { "type": "ref", "ref": "com.atproto.repo.strongRef" },
          "progress": {
            "type": "union",
            "refs": [
              "#progressIndex"
            ]
          },
          "performedAt": {
            "type": "string",
            "format": "datetime",
            "description": "User-declared timestamp for when they performed the activity. Null implies unknown time."
          },
          "createdAt": {
            "type": "string",
            "format": "datetime",
            "description": "Client-declared timestamp for when this activity was created"
          }
        }
      }
    },
    "progressIndex": {
      "type": "object",
      "description": "The index of the content consumed. Content must be indexable",
      "required": [ "index" ],
      "properties": {
        "index": { "type": "integer" }
      }
    }
  }
}