<PackageReference Include="System.ServiceModel.Primitives" Version="8.0.0" />

System.Runtime.TracePayload

struct TracePayload
namespace System.Runtime { internal struct TracePayload { public string SerializedException { get; } public string EventSource { get; } public string AppDomainFriendlyName { get; } public string ExtendedData { get; } public string HostReference { get; } public TracePayload(string serializedException, string eventSource, string appDomainFriendlyName, string extendedData, string hostReference); } }