> ## Documentation Index
> Fetch the complete documentation index at: https://praison.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# events • AI Agent SDK
> Event-specific input types for the hook system.
# events
AI Agent
Event-specific input types for the hook system.
Each event type has its own input class with relevant fields.
## Import
```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
from praisonaiagents.hooks import events
```
## Classes
Input for BeforeTool hooks.
Input for AfterTool hooks.
Input for BeforeAgent hooks.
Input for AfterAgent hooks.
Input for SessionStart hooks.
Input for SessionEnd hooks.
Input for BeforeLLM hooks.
Input for AfterLLM hooks.
Input for OnError hooks.
Input for OnRetry hooks.