sp-dev-fx-webparts/samples/react-sitepages-metadata/.yo-rc.json

{
  "@microsoft/generator-sharepoint": {
    "version": "1.4.1",
    "libraryName": "react-sitepages-metadata",
    "libraryId": "46c3c432-396d-4e9b-944d-6bf8c5466d0c",
    "environment": "spo"
  }
}