هر برنامه افزودنی دارای یک فایل مانیفست با فرمت JSON به نام manifest.json است که اطلاعات مهمی را ارائه می دهد.
کد زیر فیلدهای مانیفست پشتیبانی شده برای برنامه های افزودنی را با پیوندهایی به صفحه ای که در مورد هر فیلد بحث می کند، نشان می دهد.
{
// Required
"manifest_version": 2,
"name": "My Extension",
"version": "versionString",
// Recommended
"default_locale": "en",
"description": "A plain text description",
"icons": {...},
// Pick one (or none)
"browser_action": {...},
"page_action": {...},
// Optional
"action": ...,
"author": ...,
"automation": ...,
"background": {
// Recommended
"persistent": false,
// Optional
"service_worker": ...
},
"chrome_settings_overrides": {...},
"chrome_url_overrides": {...},
"commands": {...},
"content_capabilities": ...,
"content_scripts": [{...}],
"content_security_policy": "policyString",
"converted_from_user_script": ...,
"cross_origin_embedder_policy": {"value": "require-corp"},
"cross_origin_opener_policy": {"value": "same-origin"},
"current_locale": ...,
"declarative_net_request": ...,
"devtools_page": "devtools.html",
"differential_fingerprint": ...,
"event_rules": [{...}],
"externally_connectable": {
"matches": ["*://*.example.com/*"]
},
"file_browser_handlers": [...],
"file_system_provider_capabilities": {
"configurable": true,
"multiple_mounts": true,
"source": "network"
},
"homepage_url": "http://path/to/homepage",
"host_permissions": ...,
"import": [{"id": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"}],
"incognito": "spanning, split, or not_allowed",
"input_components": ...,
"key": "publicKey",
"minimum_chrome_version": "versionString",
"nacl_modules": [...],
"natively_connectable": ...,
"oauth2": ...,
"offline_enabled": true,
"omnibox": {
"keyword": "aString"
},
"optional_permissions": ["tabs"],
"options_page": "options.html",
"options_ui": {
"chrome_style": true,
"page": "options.html"
},
"permissions": ["tabs"],
"platforms": ...,
"replacement_web_app": ...,
"requirements": {...},
"sandbox": [...],
"short_name": "Short Name",
"storage": {
"managed_schema": "schema.json"
},
"system_indicator": ...,
"tts_engine": {...},
"update_url": "http://path/to/updateInfo.xml",
"version_name": ...,
"web_accessible_resources": [...]
}