src/Message/MessageBuilder.php
public function setText($text, $markdown = true)
    {
        $this->data['text'] = $text;
        $this->data['mrkdwn'] = $markdown;
        return $this;
    }
public function setText($text, $markdown = true)
    {
        $this->data['text'] = $text;
        $this->data['mrkdwn'] = $markdown;
        return $this;
    }
public function setText ( $ text , $ markdown = true ) { $ this -> data [ 'text' ] = $ text ; $ this -> data [ 'mrkdwn' ] = $ markdown ; return $ this ; }
Sets the message text.

@param string $text The message body text.
@param bool $markdown Enable or disable Markdown parsing of the text.
@return $this
Sets the message text .