<PackageReference Include="Newtonsoft.Json" Version="13.0.4" />

Newtonsoft.Json.JsonObjectAttribute

Instructs the JsonSerializer how to serialize the object.
namespace Newtonsoft.Json { public sealed class JsonObjectAttribute : JsonContainerAttribute { public MemberSerialization MemberSerialization { get; set; } public MissingMemberHandling MissingMemberHandling { get; set; } public NullValueHandling ItemNullValueHandling { get; set; } public Required ItemRequired { get; set; } public JsonObjectAttribute(); public JsonObjectAttribute(MemberSerialization memberSerialization); public JsonObjectAttribute(string id); } }