sp-dev-fx-webparts/samples/knockout-sp-pnp-js/.yo-rc.json

{
  "@microsoft/generator-sharepoint": {
    "libraryName": "spfx-sp-pnp-js-example",
    "framework": "knockout",
    "version": "1.0.0",
    "libraryId": "ef1fde11-2cb3-42fc-97f6-5f5c8a7ac63d"
  }
}