Viewing File: /home/maglabs/it/app/code/Magento/Variable/view/base/web/template/grid/cells/radioselect.html

<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->

<input type="radio" class="admin__control-radio" name="radio-select" data-bind="value: $row()['variable_type'] + ':' + $row()['code'], checked: selectedVariableCode, click: selectVariable"/>
<label class="admin__field-label"></label>