JAVASCRIPT

[JsonConverter(typeof(StringEnumConverter))] on list of enums

class Example2
{
    [JsonProperty (ItemConverterType = typeof(StringEnumConverter))]
    public IList<Size> Sizes { get; set; }
}

[JsonConverter(typeof(StringEnumConverter))] on list of enums

class Example2
{
    [JsonProperty (ItemConverterType = typeof(StringEnumConverter))]
    public IList<Size> Sizes { get; set; }
}