define('Host_', ''); 
    define('SMTP_Auth_', true);
    define('User_Name_', '');
    define('Password_', '');
    define('Port_', 100);

//example 1
    $this->mail->sendEmail(
        '[email protected]', //message recipient
        'subject', // subject
        'message to be sent' // actual email
        );
//example 2
    $this->mail->sendEmailHTML(
        '[email protected]', //message recipient
        'subject', // subject
        '
Test
' // actual email
    );
//example 3
    $this->mail->sendEmailWithAttachment(
        '[email protected]', //message recipient
        'subject', // subject
        false,//has html content or true
        'Test', // email body or 
Test
        [ 'var/files/test.docs', 'var/files/atachment.docs'] , //array of  files
    );