{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "PullDescriptor",
    "description": "Information controlling the pull facility",
    "type": "object",
    "properties": {
        "urls": {
            "description": "List of URLs from which Okapi attempts pulling",
            "type": "array",
            "items": {
                "type": "string"
            }
        }
    }
}