public function body($body = null)
    {
        if ($body !== null) {
            $this->_body = $body;

            return $this;
        }

        return $this->_body;
    }
public function body($body = null)
    {
        if ($body !== null) {
            $this->_body = $body;

            return $this;
        }

        return $this->_body;
    }
public function body ( $ body = null ) { if ( $ body !== null ) { $ this -> _body = $ body ; return $ this ; } return $ this -> _body ; }
Gets or sets message's body.

@param string $body Body
@return $this|string When new value is set, $this is returned for allowing
method chaining. When getting value a string will be returned
Gets or sets message s body .