Function withTraceContext

withTraceContext<T extends Record<string, unknown>>(
body: T,
): T & { _traceparent?: string }
Helper to inject trace context into a message body for queue propagation
Type Parameters
- T extends Record<string, unknown>
Parameters
- body: T
Returns T & { _traceparent?: string }
Example
```
await env.QUEUE.send(withTraceContext({ orderId: 123 }));
```
- Defined in instrument.ts:260