public function setQuad(Quad $quad)
    {
        $quad->checkId();
        $quad->setScriptEvents(true);
        $this->quad = $quad;
        return $this;
    }
public function setQuad(Quad $quad)
    {
        $quad->checkId();
        $quad->setScriptEvents(true);
        $this->quad = $quad;
        return $this;
    }
public function setQuad ( Quad $ quad ) { $ quad -> checkId ( ) ; $ quad -> setScriptEvents ( true ) ; $ this -> quad = $ quad ; return $ this ; }
Set the CheckBox Quad

@api
@param Quad $quad CheckBox Quad
@return static
Set the CheckBox Quad