form-collectio-helper-config.php

<?php

,
    'form_collection_view_helpers' => [
        'sales_channels' => [
            'collection_template' => false,
            'element_render_config' => [
                'DimabayApp\Form\SalesChannelFieldset:type' => [
                    'helper' => [
                        'name' => 'formBlock',
                    ],
                ],
                'DimabayApp\Form\SalesChannelFieldset:salesMarket' => [
                    'template' => '_form_collection/sales-channel-collection-element-sales-market.phtml',
                ],
                'DimabayApp\Form\SalesChannelFieldset:name' => [
                    'template' => '_form_collection/sales-channel-collection-element-sales-market.phtml',
                    'string' => '<div class="aa-AA">%s</div>',
                    'helper' => [
                        'name' => 'formBlock',
                        'options' => [
                            'template' => '_form-block/with-description.phtml',
                            'description' => 'Tram pan pan'
                        ]
                    ],
                ]
            ],
        ]
    ],