Class BeforeToolCallEvent

Event triggered just before a tool is executed. Fired after tool lookup but before execution begins.

Hierarchy (View Summary)

HookEvent
- BeforeToolCallEvent

Index

Constructors

Properties

type agent toolUse tool

Methods

_shouldReverseCallbacks

Constructors

constructor

new BeforeToolCallEvent(
    data: {
        agent: AgentData;
        toolUse: { name: string; toolUseId: string; input: JSONValue };
        tool: Tool;
    },
): BeforeToolCallEvent
Parameters
- data: {
      agent: AgentData;
      toolUse: { name: string; toolUseId: string; input: JSONValue };
      tool: Tool;
  }
Returns BeforeToolCallEvent
Overrides HookEvent.constructor
- Defined in sdk-typescript/src/hooks/events.ts:86

Properties

`Readonly`type

type: "beforeToolCallEvent" = ...

`Readonly`agent

agent: AgentData

`Readonly`toolUse

toolUse: { name: string; toolUseId: string; input: JSONValue }

`Readonly`tool

tool: Tool

Methods

_shouldReverseCallbacks

_shouldReverseCallbacks(): boolean
Internal
Check if callbacks should be reversed for this event. Used by HookRegistry for callback ordering.

Returns boolean
Inherited from HookEvent._shouldReverseCallbacks
- Defined in sdk-typescript/src/hooks/events.ts:17