Use <?php ?> or <?= ?> to enable PHP code support.
Use <?= $event->getRuntimeParam('someParamName') ?> to retrieve some runtime param of FrontendAction.
Use <?= $recipient['email'] ?> to retrieve some info about recipient (retrieved from ConnectMail service).
Available keys:
'id',
'email',
'status_id',
'last_checked_at',
'first_name',
'last_name',
'dob',
'created_at',
'updated_at'
Use <?= $data['...'] ?> to retrieve additional trigger info. Available keys: 'emailTemplate', 'sendFrom', 'mailingListToken', 'allowedEmailStatuses' (parsed from current form)
