# Tool **Type**: `object` ## Properties - name: calls (optional) type: integer - name: costReportingComplete (optional) type: boolean - name: durationMs (optional) type: integer - name: errors (optional) type: integer - name: operation (optional) type: string - name: reportedCostUsd (optional) type: number - name: resultBytes (optional) type: integer - name: sessionsUsing (optional) type: integer