Struct BeforeToolCall 

pub struct BeforeToolCall<'a> {
    pub assistant_message: &'a AssistantMessage,
    pub tool_call: &'a ToolCall,
    pub args: &'a mut Value,
    pub messages: &'a [Message],
    pub parent_tool_call_id: Option<&'a str>,
}

A tool call about to run.

Fields

assistant_message: &'a AssistantMessage

The response that made the call.

tool_call: &'a ToolCall

The call as the model made it.

args: &'a mut Value

Validated arguments, which the hook may change. The tool runs with them as they are when the hook returns.

messages: &'a [Message]

The transcript so far.

parent_tool_call_id: Option<&'a str>

The tool call that made this call, for calls a tool made.

Trait Implementations

impl<'a> Debug for BeforeToolCall<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.