{
    "CAT": {
        "summary": "List the ACL categories or the commands inside a category",
        "complexity": "O(1) since the categories and commands are a fixed set.",
        "group": "server",
        "since": "6.0.0",
        "arity": -2,
        "container": "ACL",
        "function": "aclCommand",
        "command_flags": [
            "NOSCRIPT",
            "LOADING",
            "STALE",
            "SENTINEL"
        ],
        "arguments": [
            {
                "name": "categoryname",
                "type": "string",
                "optional": true
            }
        ]
    }
}