sp-dev-fx-webparts/tutorials/tutorial-getting-started/hello-world-sp/config/package-solution.json

{
  "solution": {
    "name": "helloworld-webpart-client-side-solution",
    "id": "da0e0e28-d643-4fa0-830e-78306f0c5760",
    "version": "1.0.0.0"
  },
  "paths": {
    "zippedPackage": "solution/helloworld-webpart.sppkg"
  }
}