sp-dev-fx-webparts/samples/react-3rd-party-api/.yo-rc.json

{
  "@microsoft/generator-sharepoint": {
    "version": "1.4.1",
    "libraryName": "spfx-3-rd-party-api",
    "libraryId": "1475d3ce-8923-43a1-a050-83a35f180397",
    "environment": "spo"
  }
}