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Class●Since v0.0

ToolCallMessage

Widget displaying a tool call with collapsible output.

Tool outputs are shown as a 3-line preview by default. Press Ctrl+E to expand/collapse the full output. Shows an animated "Running..." indicator while the tool is executing.

ToolCallMessage(
  self,
  tool_name: str,
  args: dict[str, Any] | None = None,
  **kwargs: Any = {}
)

Bases

Vertical

Parameters

Name	Type	Description
`tool_name`*	`str`	Name of the tool being called
`args`	`dict[str, Any] \| None`	Default:`None` Tool arguments (optional)
`**kwargs`	`Any`	Default:`{}` Additional arguments passed to parent

Constructors

constructor

__init__

Name	Type
tool_name	str
args	dict[str, Any] \| None

Attributes

DEFAULT_CSS: str

has_output: bool

Check if this tool message has output to display.

Methods

Compose the tool call message layout.

Cache widget references and hide all status/output areas initially.

Mark the tool as running (approved and executing).

Call this when approval is granted to start the running animation.

Mark the tool call as successful.

Mark the tool call as failed.

Mark the tool call as rejected by user.

Mark the tool call as skipped (due to another rejection).

Toggle between preview and full output display.

Handle click to toggle output expansion.

View source on GitHub