Newtonsoft.Json.JsonRequiredAttribute

JsonRequiredAttribute

public sealed class JsonRequiredAttribute : Attribute

Instructs the JsonSerializer to always serialize the member, and to require that the member has a value.

using System; namespace Newtonsoft.Json { [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = false)] public sealed class JsonRequiredAttribute : Attribute { } }