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

# SessionUpdateKind

> The kind discriminant of a notification.

The kind discriminant of a `session/update` notification.

```typescript
const SessionUpdateKind: { AgentMessage: "agent_message"; AgentMessageChunk: "agent_message_chunk"; AgentThought: "agent_thought"; AgentThoughtChunk: "agent_thought_chunk"; AvailableCommandsUpdate: "available_commands_update"; ConfigOptionUpdate: "config_option_update"; CurrentModeUpdate: "current_mode_update"; Plan: "plan"; SessionInfoUpdate: "session_info_update"; StateUpdate: "state_update"; ToolCall: "tool_call"; ToolCallUpdate: "tool_call_update"; UsageUpdate: "usage_update"; UserMessage: "user_message"; UserMessageChunk: "user_message_chunk" }
```


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