# Core

## What is GLLM Core?

GLLM Core provides utility components to manage shared functionality across RAG components, including:

1. [**Logger Manager:**](https://gdplabs.gitbook.io/sdk/~/revisions/beykCxz0UanaEX0sPJJu/tutorials/core/logger-manager) Manages logging across Gen AI apps.
2. [**Event Emitter:**](https://gdplabs.gitbook.io/sdk/~/revisions/beykCxz0UanaEX0sPJJu/tutorials/core/event-emitter) Manages event emitting (including streaming) across Gen AI apps.