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I can not render my custom block within my custom template,

Point is on newsletter subscriber, I extend newsletter_subscriber_form.xml,

Add container within my block but it says that template is invalid,

When is added in existing reference block nothing happened,

When I put a template in an existing block of this layout

(e.q. Magento\Backend\Block\Widget\Grid\Massaction)
It renders but I need my custom functionality.

Layout block

 <container name="content">
            <block class="Pool\Module\Block\Adminhtml\Subscriber\Button" name="button" template="Pool_Module:button.phtml" />
 </container>

path of template is on Pool/Module/view/adminhtml/templates/button.phtml

Block

<?php
namespace Pool\Module\Block\Adminhtml\Subscriber;

use Magento\Framework\View\Element\Template;

class Button extends Template
{
    public function __construct(Template\Context $context, array $data = [])
    {
        parent::__construct($context, $data);
    }

    public function addNewSubscriber()
    {
        var_dump('hi');
    }
}
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1 Answer 1

Reset to default
0

please try to use below code.

<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
        <referenceContainer name="content">
            <block class="Pool\Module\Block\Adminhtml\Subscriber\Button" name="button" template="Pool_Module:button.phtml" />
        </referenceContainer>
    </body>
</page>
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1
  • Exception #0 (Magento\Framework\Exception\ValidatorException): Invalid template file. NOTE: <container name="content"> is added by me, he is not existing in certain layout.
    – Newb
    Feb 7, 2019 at 12:08

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