newOption('mailgun.domain', 'string', null) ->setLocked(true) ->setDescription( pht( 'Mailgun domain name. See https://mailgun.com/cp/domains')) ->addExample('mycompany.com', 'Use specific domain'), $this->newOption('mailgun.api-key', 'string', null) ->setHidden(true) ->setDescription(pht('Mailgun API key.')), ); } }