public function setMultiselect($multiselect)
    {
        $this->multiselect = $multiselect;
        $this->setValidator($this->getDefaultValidator());

        return $this;
    }
public function setMultiselect($multiselect)
    {
        $this->multiselect = $multiselect;
        $this->setValidator($this->getDefaultValidator());

        return $this;
    }
public function setMultiselect ( $ multiselect ) { $ this -> multiselect = $ multiselect ; $ this -> setValidator ( $ this -> getDefaultValidator ( ) ) ; return $ this ; }
Sets multiselect option.

When multiselect is set to true, multiple choices can be answered.

@param bool $multiselect

@return $this
Sets multiselect option .