manifest.json

{
  "required_api_version": "^2.0.0",
  "name": "Brave extension",
  "description": "To use brave search engine",
  "developer_name": "Pegoku",
  "icon": "images/icon.png",
  "options": {
    "query_debounce": 0.1
  },
  "preferences": [
    {
      "id": "keyword",
      "type": "keyword",
      "name": "brave",
      "description": "brave extension",
      "default_value": "br"
    },
    {
      "id": "brave_search_language",
      "type": "input",
      "name": "Search Language",
      "description": "Input your desired ISO language code",
      "default_value": "en-US"
    },
    {
      "id": "brave_include_instant_answer",
      "type": "select",
      "name": "Include Instant Answer",
      "description": "Choose whether to include instant answer before search suggestions",
      "default_value": false,
      "options": [
        {"value": true, "text": "yes"},
        {"value": false, "text": "no"}
      ]
    }
  ]
}