src/Common/Iterocitor.php
public function tell($user, $text)
    {
        return $this->say($this->sequencer->format('@'.$user).' '.$text);
    }
public function tell($user, $text)
    {
        return $this->say($this->sequencer->format('@'.$user).' '.$text);
    }
Send a message to a user.

@param string $user user_id
{@inheritdoc}