{
    "WATCH": {
        "summary": "Monitors changes to keys to determine the execution of a transaction.",
        "complexity": "O(1) for every key.",
        "group": "transactions",
        "since": "2.2.0",
        "arity": -2,
        "function": "watchCommand",
        "command_flags": [
            "NOSCRIPT",
            "LOADING",
            "STALE",
            "FAST",
            "NO_MULTI",
            "ALLOW_BUSY"
        ],
        "acl_categories": [
            "TRANSACTION"
        ],
        "key_specs": [
            {
                "flags": [
                    "RO"
                ],
                "begin_search": {
                    "index": {
                        "pos": 1
                    }
                },
                "find_keys": {
                    "range": {
                        "lastkey": -1,
                        "step": 1,
                        "limit": 0
                    }
                }
            }
        ],
        "reply_schema": {
            "const": "OK"
        },
        "arguments": [
            {
                "name": "key",
                "type": "key",
                "key_spec_index": 0,
                "multiple": true
            }
        ]
    }
}
