The E2E Bridge uses structured transaction log files to trace the transactions, back end calls and processes. These transaction logs can be then analyzed using the E2E Dashboards which show very informative system, operating and business views and reports of the services.
The E2E Transaction Logger is the module that will help to write the transaction log files in Node.js services.

Simply add a dependency to e2e-transaction-logger in your package.json file or install it using:

npm install e2e-transaction-logger

Learn how to use the Transaction Logger in the following tutorials: