puppeteer/packages/ng-schematics/src/builders/builders.json

{
  "$schema": "../../../../node_modules/@angular-devkit/architect/src/builders-schema.json",
  "builders": {
    "puppeteer": {
      "implementation": "./puppeteer",
      "schema": "./puppeteer/schema.json",
      "description": "Run e2e test with Puppeteer"
    }
  }
}