beforeSend() public method This method is invoked right

$messageClass public property The default class name of the new

$viewPath public property The directory that contains the view

send() public method Sends the given email message.

sendMessage() protected abstract method Sends the specified

setViewPath() public method

$htmlLayout public property HTML layout view name. This is the

createView() protected method Creates view instance from

$view public property View instance or its array configuration

EVENT_AFTER_SEND event of type yii\mail\MailEvent