# アクティブトレースを取得する
trace = Datadog::Tracing.active_trace

# 必須ユーザー ID タグを設定する
trace.set_tag('usr.id', 'd131dd02c56eeec4')

# セマティクスが分かっているユーザーモニタリングタグをオプションで設定する
trace.set_tag('usr.name', 'Jean Example')
trace.set_tag('usr.email', 'jean.example@example.com')
trace.set_tag('usr.session_id', '987654321')
trace.set_tag('usr.role', 'admin')
trace.set_tag('usr.scope', 'read:message, write:files')

# 自由形式のタグを設定する
trace.set_tag('usr.another_tag', 'another_value')

import datadog.trace.api.EventTracker;
import datadog.trace.api.GlobalTracer;

public class LoginController {

    private User doLogin(String userName, String password) {
        // this is where you get User based on userName/password credentials
        User user = checkLogin(userName, password);

        // if function returns null - user doesn't exist
        boolean userExists = (user != null);
        String userId = null;
        Map<String, String> metadata = new HashMap<>();
        if (userExists != null) {
            userId = getUserId(userName)
            metadata.put("email", user.getEmail());
        } else {
            userId = user.getEmail();
        }

        // track user authentication error events
        GlobalTracer
            .getEventTracker()
            .trackLoginFailureEvent(userId, userExists, metadata);
    }
}

import datadog.trace.api.EventTracker;
import datadog.trace.api.GlobalTracer;

public class LoginController {

    private User doSignup(String userId, String email) {
        // ここで、ユーザーアカウントを作成します
        User user = createUser(userId, email);

        Map<String, String> metadata = new HashMap<>();
        metadata.put("email", user.getEmail());
        metadata.put("id", user.getId());

        // ユーザーサインアップイベントを追跡します
        GlobalTracer
            .getEventTracker()
            .trackCustomEvent("users.signup", metadata);
    }
}

using Datadog.Trace.AppSec;

void OnLogonFailure(string userId, bool userExists, ...)
{
    // If no userId can be provided, any unique user identifier (username, email...) may be used
    // metadata is optional
    var metadata = new Dictionary<string, string>()
    {
        { "customKey", "customValue" }
    };
    EventTrackingSdk.TrackUserLoginFailureEvent(userId, userExists, metadata);

    // ...
}

void OnUserSignupComplete(string userId, ...)
{
    // metadata パラメーターはオプションですが、"usr.id" を追加します
    var metadata = new Dictionary<string, string>()
    {
        { "usr.id", userId }
    };
    // カスタムビジネスロジックの追跡を活用し、ユーザーのサインアップを追跡します
    EventTrackingSdk.TrackCustomEvent("users.signup", metadata);

    // ...
}

import "gopkg.in/DataDog/dd-trace-go.v1/appsec"

func handler(w http.ResponseWriter, r *http.Request) {
  exists := /* whether the given user id exists or not */
  metadata := /* optional extra event metadata */ 
  // Replace `my-uid` by a unique identifier of the user (numeric, username, email...)
  appsec.TrackUserLoginFailureEvent(r.Context(), "my-uid", exists, metadata)
}

import "gopkg.in/DataDog/dd-trace-go.v1/appsec"

func handler(w http.ResponseWriter, r *http.Request) {
  metadata := map[string]string{"usr.id": "my-uid"}

  // カスタムビジネスロジックの追跡を活用し、ユーザーのサインアップを追跡します
  appsec.TrackCustomEvent(r.Context(), "users.signup", metadata)
}

require 'datadog/kit/appsec/events'
trace = Datadog::Tracing.active_trace

# Replace `my_user_id` by a unique identifier of the user (numeric, username, email...)

# if the user exists
Datadog::Kit::AppSec::Events.track_login_failure(trace, user_id: 'my_user_id', user_exists: true)

# if the user doesn't exist
Datadog::Kit::AppSec::Events.track_login_failure(trace, user_id: 'my_user_id', user_exists: false)

require 'datadog/kit/appsec/events'
trace = Datadog::Tracing.active_trace

# カスタムビジネスロジックの追跡を活用し、ユーザーのサインアップを追跡します
Datadog::Kit::AppSec::Events.track('users.signup', trace)

<?php
// If no numeric userId is available, you may use any unique string as userId instead (username, email...)
// Make sure that the value is unique per user (and not per attacker/IP)
\datadog\appsec\track_user_login_failure_event($id, $exists, ['email' => $email])
?>

<?php
\datadog\appsec\track_custom_event('users.signup', ['id' => $id, 'email' => $email]);
?>

const tracer = require('dd-trace')

// in a controller:
const userId = 'user-id' // if no numeric ID is available, any unique identifier will do (username, email...)
const userExists = true // if the user login exists in database for example
const metadata = { custom: 'value' } // optional metadata with arbitrary fields

// metadata is optional
tracer.appsec.trackUserLoginFailureEvent(userId, userExists, metadata)

const tracer = require('dd-trace')

// コントローラーで
const eventName = 'users.signup'
const metadata = { 'usr.id': 'user-id' }

tracer.appsec.trackCustomEvent(eventName, metadata)

from ddtrace.appsec.trace_utils import track_user_login_failure_event
from ddtrace import tracer
metadata = {"custom": "customvalue"}
# exists indicates if the failed login user exists in the system
exists = False
# if no numeric userId is available, any unique identifier will do (username, email...)
track_user_login_failure_event(tracer, "userid", exists, metadata)

from ddtrace.appsec.trace_utils import track_custom_event
from ddtrace import tracer
metadata = {"usr.id": "userid"}
event_name = "users.signup"
track_custom_event(tracer, event_name, metadata)