{
    "ZMPOP": {
        "summary": "Returns the highest- or lowest-scoring members from one or more sorted sets after removing them. Deletes the sorted set if the last member was popped.",
        "complexity": "O(K) + O(M*log(N)) where K is the number of provided keys, N being the number of elements in the sorted set, and M being the number of elements popped.",
        "group": "sorted_set",
        "since": "7.0.0",
        "arity": -4,
        "function": "zmpopCommand",
        "get_keys_function": "zmpopGetKeys",
        "command_flags": [
            "WRITE"
        ],
        "acl_categories": [
            "SORTEDSET"
        ],
        "key_specs": [
            {
                "flags": [
                    "RW",
                    "ACCESS",
                    "DELETE"
                ],
                "begin_search": {
                    "index": {
                        "pos": 1
                    }
                },
                "find_keys": {
                    "keynum": {
                        "keynumidx": 0,
                        "firstkey": 1,
                        "step": 1
                    }
                }
            }
        ],
        "reply_schema": {
            "oneOf": [
                {
                    "description": "No element could be popped.",
                    "type": "null"
                },
                {
                    "type": "array",
                    "minItems": 2,
                    "maxItems": 2,
                    "items": [
                        {
                            "type": "string",
                            "description": "Name of the key that elements were popped."
                        },
                        {
                            "type": "array",
                            "description": "Popped elements.",
                            "items": {
                                "type": "array",
                                "uniqueItems": true,
                                "minItems": 2,
                                "maxItems": 2,
                                "items": [
                                    {
                                        "type": "string",
                                        "description": "Name of the member."
                                    },
                                    {
                                        "type": "number",
                                        "description": "Score."
                                    }
                                ]
                            }
                        }
                    ]
                }
            ]
        },
        "arguments": [
            {
                "name": "numkeys",
                "type": "integer"
            },
            {
                "name": "key",
                "type": "key",
                "key_spec_index": 0,
                "multiple": true
            },
            {
                "name": "where",
                "type": "oneof",
                "arguments": [
                    {
                        "name": "min",
                        "type": "pure-token",
                        "token": "MIN"
                    },
                    {
                        "name": "max",
                        "type": "pure-token",
                        "token": "MAX"
                    }
                ]
            },
            {
                "token": "COUNT",
                "name": "count",
                "type": "integer",
                "optional": true
            }
        ]
    }
}