# Test Cloud Deployment

The LangGraph Studio UI connects directly to LangGraph Cloud deployments.

Starting from the <a href="https://smith.langchain.com/" target="_blank">LangSmith UI</a>...

1. In the left-hand navigation panel, select `Deployments`. The `Deployments` view contains a list of existing LangGraph Cloud deployments.
1. Select an existing deployment to test with LangGraph Studio.
1. In the top-right corner, select `Open LangGraph Studio`.
1. [Invoke an assistant](./invoke_studio.md) or [view an existing thread](./threads_studio.md).

The following video shows these exact steps being carried out:

<video controls allowfullscreen="true" poster="../img/studio_usage_poster.png">
    <source src="../img/studio_usage.mp4" type="video/mp4">
</video>
