I트랜잭션

public interface ITransaction

void AcceptDistributedTraceHeaders(carrier, getter, transportType)

HttpContext httpContext = HttpContext.Current;
IAgent agent = NewRelic.Api.Agent.NewRelic.GetAgent();
ITransaction currentTransaction = agent.CurrentTransaction;
currentTransaction.AcceptDistributedTraceHeaders(httpContext, Getter, TransportType.HTTP);
IEnumerable<string> Getter(HttpContext carrier, string key) 
{ 
    string value = carrier.Request.Headers[key];   
    return value == null ? null : new string[] { value }; 
}

void InsertDistributedTraceHeaders(carrier, setter)

HttpWebRequest requestMessage = (HttpWebRequest)WebRequest.Create("https://remote-address");
IAgent agent = NewRelic.Api.Agent.NewRelic.GetAgent();
ITransaction currentTransaction = agent.CurrentTransaction;
var setter = new Action<HttpWebRequest, string, string>((carrier, key, value) => { carrier.Headers?.Set(key, value); });
currentTransaction.InsertDistributedTraceHeaders(requestMessage, setter);

void AcceptDistributedPayload(payload, transportType)

//Obtain the information from the request object from the upstream caller.
//The method by which this information is obtain is specific to the transport 
//type being used. For example, in an HttpRequest, this information is
//contained in the 
header.KeyValuePair<string, string> metadata = GetMetaDataFromRequest("requestPayload");
IAgent agent = NewRelic.Api.Agent.NewRelic.GetAgent(); 
ITransaction transaction = agent.CurrentTransaction; 
transaction.AcceptDistributedTracePayload(metadata.Value, TransportType.Queue);

IDistributedTracePayload CreateDistributedTracePayload()

IAgent agent = NewRelic.Api.Agent.NewRelic.GetAgent();
ITransaction transaction = agent.CurrentTransaction;
IDistributedTracePayload payload = transaction.CreateDistributedTracePayload();

ITransaction AddCustomAttribute(string key, object value)

IAgent agent = NewRelic.Api.Agent.NewRelic.GetAgent();
ITransaction transaction = agent.CurrentTransaction;
transaction.AddCustomAttribute("customerName","Bob Smith")
    .AddCustomAttribute("currentAge",31)
    .AddCustomAttribute("birthday", new DateTime(2000, 02, 14))
    .AddCustomAttribute("waitTime", TimeSpan.FromMilliseconds(93842));

IAgent agent = NewRelic.Api.Agent.NewRelic.GetAgent(); 
ITransaction transaction = agent.CurrentTransaction; 
ISpan currentSpan = transaction.CurrentSpan;

ITransaction SetUserId(string userId)

IAgent agent = NewRelic.Api.Agent.NewRelic.GetAgent(); 
ITransaction transaction = agent.CurrentTransaction; 
transaction.SetUserId("BobSmith123");