app/node_modules/ng-zorro-antd/schematics/ng-generate/topnav/schema.json

{
  "$schema": "http://json-schema.org/schema",
  "$id": "top-nav",
  "title": "Top Navigation Layout",
  "type": "object",
  "properties": {
    "project": {
      "type": "string",
      "description": "The name of the project.",
      "$default": {
        "$source": "projectName"
      }
    },
    "style": {
      "description": "The file extension or preprocessor to use for style files.",
      "type": "string",
      "default": "css",
      "enum": [
        "css",
        "scss",
        "sass",
        "less",
        "styl"
      ]
    },
    "prefix": {
      "type": "string",
      "format": "html-selector",
      "description": "A prefix to apply to generated selectors.",
      "default": "app",
      "alias": "p"
    }
  }
}