ADK for TypeScript: API Reference
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    Type Alias SingleAfterToolCallback

    SingleAfterToolCallback: (
        params: {
            args: Record<string, unknown>;
            context: Context;
            response: Record<string, unknown>;
            tool: BaseTool;
        },
    ) => | Record<string, unknown>
    | undefined
    | Promise<Record<string, unknown> | undefined>

    A callback that runs after a tool is called.

    Type Declaration

      • (
            params: {
                args: Record<string, unknown>;
                context: Context;
                response: Record<string, unknown>;
                tool: BaseTool;
            },
        ): | Record<string, unknown>
        | undefined
        | Promise<Record<string, unknown> | undefined>

      • Parameters

        • params: {
              args: Record<string, unknown>;
              context: Context;
              response: Record<string, unknown>;
              tool: BaseTool;
          }
          • args: Record<string, unknown>

            The arguments to the tool.

          • context: Context

            Context for the tool call.

          • response: Record<string, unknown>

            The response from the tool.

          • tool: BaseTool

            The tool to be called.

        Returns
            | Record<string, unknown>
            | undefined
            | Promise<Record<string, unknown> | undefined>

        When present, the returned record will be used as tool result.