# SubagentPanel

> **Class** in `deepagents_code`

📖 [View in docs](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel)

Docked two-pane panel visualizing `js_eval` subagent fan-out by phase.

Hidden until the first spawn event. Phases (one per `js_eval`) list on the
left and the selected phase's subagents render as a scrollable table on the
right. Focus the panel and use up/down to revisit finished phases. Expands
while any phase runs, collapses to the header when the turn goes idle, and
re-expands when a new phase starts.

## Signature

```python
SubagentPanel(
    self,
    **kwargs: Any = {},
)
```

## Extends

- `Vertical`

## Constructors

```python
__init__(
    self,
    **kwargs: Any = {},
) -> None
```


## Properties

- `can_focus`
- `can_focus_children`
- `DEFAULT_CSS`
- `expanded`

## Methods

- [`compose()`](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel/compose)
- [`on_subagent_event()`](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel/on_subagent_event)
- [`on_click()`](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel/on_click)
- [`on_key()`](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel/on_key)
- [`prepare_turn()`](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel/prepare_turn)
- [`reset()`](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel/reset)
- [`finalize_running()`](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel/finalize_running)
- [`toggle()`](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel/toggle)
- [`watch_expanded()`](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel/watch_expanded)
- [`on_resize()`](https://reference.langchain.com/python/deepagents-code/tui/widgets/subagent_panel/SubagentPanel/on_resize)

---

[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/2f56309d821db4a0d06ee03959cf842c91b7f228/libs/code/deepagents_code/tui/widgets/subagent_panel.py#L212)