This is Code Snippets of DLS UI-Kit for VS Code.
This extension contains code snippets for the Ui kit DLS package.
In order to install an extension you need to launch the Command Palette (Ctrl + Shift + P or Cmd + Shift + P) and type Extensions. There you have either the option to show the already installed snippets or install new ones. Search for DLS-Snippets and install it.
The list of snippets starts with the keyword