Try Out the Getting Started Tutorial for SAP Application Logging Service, Neo Environemnt
You work in the Neo environment and you need to use logs, please use this tutorial to help you get started with the SAP Application Logging service. This is a quick tutorial that will help you learn how to create loggers and log messages, and how to view your logs.
This tutorial uses the hello-world sample available with the SDK that you can install from the SAP Development tools. Furthermore, I assume you already have a customer account and are familiar with the SAP BTP cockpit as an administrator in the Neo environment. All the other steps in the tutorial are straightforward.