{"mdn_url":"https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/commands/onCommand","source_file":"webextensions/api/commands.json","support":{"chrome":{"version_added":true},"edge":{"version_added":"79"},"firefox":{"notes":"Before version 63, the <code>onCommand</code> listener was not treated as a <a href='https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/User_actions'>handler for a user action</a>.","version_added":"48"},"firefox_android":{"version_added":false},"opera":{"version_added":true},"safari":{"version_added":"14"},"safari_ios":{"version_added":"15"}}}