Random.Int64.pq

    [
        /*
            Source: https://github.com/ninmonkey/Ninmonkey.PowerQueryLib
            About: Randomized Integer between a range.  [2021-04-22]
            See Also: Number.Round* family of functions, and <https://docs.microsoft.com/en-us/power-query/handlingdocumentation>
        */
        fn.Type = type function (
            min as (type number meta [
                Documentation.FieldCaption = "Min",
                Documentation.FieldDescription = "Minimum number",
                Documentation.SampleValues = {10, 0.45}
            ]),
            b as (type number meta [
                Documentation.FieldCaption = "Max",
                Documentation.FieldDescription = "Maximum number",
                Documentation.SampleValues = {34, 100.45}
            ]),
            optional culture as (type nullable text meta [
                Documentation.FieldCaption = "Culture",
                Documentation.FieldDescription = "Culture used to convert number"
            ]),
            optional roundingMode as (type nullable number meta [
                Documentation.FieldCaption = "Rounding Mode",
                Documentation.FieldDescription = "rounding method",
                Documentation.AllowedValues = {
                    RoundingMode.AwayFromZero, RoundingMode.Down, RoundingMode.ToEven, RoundingMode.TowardZero, RoundingMode.Up}
            ])
        ) as table meta [
                Documentation.Name = "RandomInt",
                Documentation.LongDescription = "Generate a random Integer between two values. Optionally set culture and rounding mode.",
                Documentation.Examples = {[
                    Description = "Generate one value",
                    Code = "RandomInt(10, 20)",
                    Result = "11"
                ]}
            ],

            fn.Impl = (
            min as number,
            max as number,
            optional culture as nullable text,
            optional roundingMode as nullable number
        ) as number =>
            Int64.From(
                Number.RandomBetween( min, max ),
                culture,
                roundingMode
            ),
            return = Value.ReplaceType( fn.Impl, fn.Type )
    ][return]