Copy username or password for the container
When creating a new container a user and a random password is automatically created for you. Alternativeley you can set up a default username and password by setting the Default Container Password and Default Container Username option within the extension settings. This credential is used for accessing the Business Central Web Client.
You can read the docs on how to open the Business Central Web Client. To quickly copy your username and password to login right click on your Container in the Visual Studio Code extension either choose Copy password to clipboard or Copy username to clipboard.