sp-dev-fx-webparts/samples/react-events-aggregator/.yo-rc.json

{
  "@microsoft/generator-sharepoint": {
    "version": "1.4.1",
    "libraryName": "react-events-aggregator",
    "libraryId": "0443cb2b-2068-4b30-9893-ef6eeabe2a01",
    "environment": "spo"
  }
}