src/Callback.php
public function getURL($mode = 'callback')
    {
        return $this->owner->url([$this->urlTrigger => $mode, '__atk_callback'=>1], (bool) $this->postTrigger);
    }
public function getURL($mode = 'callback')
    {
        return $this->owner->url([$this->urlTrigger => $mode, '__atk_callback'=>1], (bool) $this->postTrigger);
    }
public function getURL ( $ mode = 'callback' ) { return $ this -> owner -> url ( [ $ this -> urlTrigger => $ mode , '__atk_callback' => 1 ] , ( bool ) $ this -> postTrigger ) ; }
Return URL that will trigger action on this call-back. If you intend to request
the URL loading from inside JavaScript, it's always advised to use getJSURL instead.

@param string $mode

@return string
Return URL that will trigger action on this call - back . If you intend to request the URL loading from inside JavaScript it s always advised to use getJSURL instead .