To use GitLab Duo Chat in GitLab Workflow extension for VS Code:
1. In VS Code, open a file. The file does not need to be a file in a Git repository.
1. Open Chat by using one of the following methods:
- On the left sidebar, select **GitLab Duo Chat**.
- In the file that you have open in the editor, select some code.
1. Right-click and select **GitLab Duo Chat**.
1. Select **Explain selected code** or **Generate Tests**.
- Use the keyboard shortcut: <kbd>ALT</kbd>+<kbd>d</kbd> (on Windows and Linux) or <kbd>Option</kbd>+<kbd>d</kbd> (on Mac).
1. On the left sidebar, select **GitLab Duo Chat** (**{duo-chat}**).
1. In the message box, enter your question and press **Enter** or select **Send**.
1. In the chat pane, on the top right corner, select **Show Status** to show information
in the Command Palette.
If you have selected code in the editor, this selection is sent along with your question to the AI. This way you can ask questions about this code selection. For instance, `Could you simplify this?`.
### Select code and use Duo Chat
You can interact with Duo Chat while you're working with a subset of code.
1. In VS Code, open a file. The file does not need to be a file in a Git repository.
1. In the file, select some code.
1. Right-click and select **GitLab Duo Chat**.
1. Select an option, or **Open Quick Chat** and ask a question, like `Can you simplify this code?` and press <kbd>Enter</kbd>.
### Close Duo Chat
To close Duo Chat:
- For Duo Chat on the left sidebar, select **GitLab Duo Chat** (**{duo-chat}**).
- For the quick chat window that's embedded in your file, in the upper-right corner,
