# ...
await client.update_worker_build_id_compatibility(
    "your_task_queue_name", BuildIdOpPromoteSetByBuildId("deadbeef")
)
```

---

## Asynchronous Activity completion - Ruby SDK

## How to asynchronously complete an Activity {#asynchronous-activity-completion}

This page describes how to asynchronously complete an Activity.

[Asynchronous Activity Completion](/activity-execution#asynchronous-activity-completion) enables the Activity Function to return without the Activity Execution completing.

There are three steps to follow:

1. The Activity provides the external system with identifying information needed to complete the Activity Execution.
   Identifying information can be a [Task Token](/activity-execution#task-token), or a combination of Namespace, Workflow Id, and Activity Id.
2. The Activity Function completes in a way that identifies it as waiting to be completed by an external system.
3. The Temporal Client is used to Heartbeat and complete the Activity.

To mark an Activity as completing asynchronously, do the following inside the Activity.

```ruby