// if user finishes the Embedded Signup flow // if user cancels the Embedded Signup flow // if user reports an error during the Embedded Signup flow // The returned code must be transmitted to your backend first and then // perform a server-to-server call from there to our servers for an access token. // Launch Facebook login config_id: '1055740496464802', // configuration ID goes here response_type: 'code', // must be set to 'code' for System User access token override_default_response_type: true, // when true, any response types passed in the "response_type" will take precedence over the default types