I have added a new button to order view action buttons:

class ReturnButton
    public function beforePushButtons(
        \Magento\Backend\Block\Widget\Button\Toolbar\Interceptor $subject,
        \Magento\Framework\View\Element\AbstractBlock $context,
        \Magento\Backend\Block\Widget\Button\ButtonList $buttonList
    ) {

        $this->_request = $context->getRequest();
        if ($this->_request->getFullActionName() == 'sales_order_view'){
                ['label' => __('New return request'), 'onclick' => 'setLocation(\'http://foo.bar\')', 'class' => 'reset'],


However, I would need to open a new window, setLocation naturally sets new location for current window. What is the correct way to do this in Magento 2?


Substitute 'setLocation(\'http://foo.bar\')' with 'window.open(\'http://foo.bar\')'

That should do it.

  • It does. Maybe I'll just settle with this, in case there is no Magento funtion for this. Dec 13 '16 at 17:35

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