myapp/node_modules/@schematics/angular/e2e/schema.json

{
  "$schema": "http://json-schema.org/draft-07/schema",
  "$id": "SchematicsAngularE2eApp",
  "title": "Angular e2e Application Options Schema",
  "type": "object",
  "additionalProperties": false,
  "description": "Generates a new, generic end-to-end test definition in the given project.",
  "properties": {
    "rootSelector": {
      "description": "The HTML selector for the root component of the test app.",
      "type": "string",
      "default": "app-root"
    },
    "relatedAppName": {
      "description": "The name of the application being tested.",
      "type": "string"
    }
  },
  "required": ["relatedAppName"]
}