init($email); $config = ['message' => 'Unpopular user skipped']; Drupal::service('plugin.manager.email_adjuster')->createInstance('email_skip_sending', $config)->init($email); $email->setTo('user@example.com'); // hook_mailer_build(): $body = $email->getBody(); $body['extra'] = ['#markup' => 'Extra text']; $email->setBody($body); // hook_mailer_post_render(): $email->setHtmlBody($email->getHtmlBody() . '

More extra text

'); // hook_mailer_post_send(): $to = $email->getHeaders()->get('To')->getBodyAsString(); \Drupal::messenger()->addMessage(t('Email sent to %to.', ['%to' => $to])); } /** * Acts on an email in a phase for a specific email type. * * The phase names are defined in EmailInterface::PHASE_NAMES. * * @param \Drupal\symfony_mailer\EmailInterface $email * The email. */ function hook_mailer_TYPE_PHASE(EmailInterface $email) { } /** * Acts on an email in a specific phase for a specific email type and sub-type. * * The phase names are defined in EmailInterface::PHASE_NAMES. * * @param \Drupal\symfony_mailer\EmailInterface $email * The email. */ function hook_mailer_TYPE__SUBTYPE_PHASE(EmailInterface $email) { } /** * Alters email builder plug-in definitions. * * @param array $email_builders * An associative array of all email builder definitions, keyed by the ID. */ function hook_mailer_builder_info_alter(array &$email_builders) { } /** * Alters mailer transport plug-in definitions. * * @param array $mailer_transports * An associative array of all mailer transport definitions, keyed by the ID. */ function hook_mailer_transport_info_alter(array &$mailer_transports) { } /** * Alters email adjusters plug-in definitions. * * @param array $mailer_adjusters * An associative array of all email adjuster definitions, keyed by the ID. */ function hook_mailer_adjuster_info_alter(array &$mailer_adjusters) { }