> ## Documentation Index
> Fetch the complete documentation index at: https://easyaf.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# HookEventName

> Represents the different types of hook events that can be triggered in Claude Code.

## Definition

**Assembly:** CloudNimble.ClaudeEssentials.dll

**Namespace:** CloudNimble.ClaudeEssentials.Hooks

**Inheritance:** System.Enum

## Syntax

```csharp theme={"dark"}
CloudNimble.ClaudeEssentials.Hooks.HookEventName
```

## Summary

Represents the different types of hook events that can be triggered in Claude Code.

## Values

| Name                | Value | Description                                                                                     |
| ------------------- | ----- | ----------------------------------------------------------------------------------------------- |
| `PreToolUse`        | 0     | Runs before tool calls are executed. Can be used to block or modify tool inputs.                |
| `PermissionRequest` | 1     | Runs when a permission dialog is shown. Can be used to automatically allow or deny permissions. |
| `PostToolUse`       | 2     | Runs after tool calls complete. Can be used to inspect results or provide additional context.   |
| `UserPromptSubmit`  | 3     | Runs when the user submits a prompt, before Claude processes it.                                |
| `Notification`      | 4     | Runs when Claude Code sends notifications.                                                      |
| `Stop`              | 5     | Runs when Claude Code finishes responding.                                                      |
| `SubagentStop`      | 6     | Runs when subagent tasks complete.                                                              |
| `PreCompact`        | 7     | Runs before a compact operation.                                                                |
| `SessionStart`      | 8     | Runs when Claude Code starts a new session or resumes one.                                      |
| `SessionEnd`        | 9     | Runs when a Claude Code session ends.                                                           |