The InfluxDB 3 Processing Engine is a Python-based VM that enables data transformation, enrichment, downsampling, alerting, and more within the database itself. The engine was built to solve real-world problems and is designed to integrate with existing workloads, providing a flexible and scalable tool for different workloads such as real-time vs batch processing. The Processing Engine conists of plugins and triggers that can be used to automate workflows, enrich data, and create custom processing logic within the database. It provides a shared API that allows for seamless interaction with the database, enabling users to write enriched/processed data back into the system. The engine also includes built-in logging functions and supports dynamic arguments, allowing users to make their plugins more flexible and adaptable to different situations.