sp-dev-fx-webparts/tutorials/tutorial-getting-started/hello-world-sp/.yo-rc.json

{
  "@microsoft/generator-sharepoint": {
    "libraryName": "helloworld-webpart",
    "framework": "none",
    "version": "1.0.0",
    "libraryId": "da0e0e28-d643-4fa0-830e-78306f0c5760"
  }
}