register_field_group(array(
    'id' => 'acf_boxes',
    'title' => 'Boxes',
    'fields' => array(
        array(
            'key' => 'field_52ba5d6289438',
            'label' => 'Boxes',
            'name' => 'subpage_boxes',
            'type' => 'repeater',
            'required' => 1,
            'sub_fields' => array(
                array(
                    'key' => 'field_52ba5da289439',
                    'label' => 'Title',
                    'name' => 'box_title',
                    'type' => 'text',
                    'required' => 1,
                    'column_width' => '',
                    'default_value' => '',
                    'placeholder' => '',
                    'prepend' => '',
                    'append' => '',
                    'formatting' => 'none',
                    'maxlength' => '',
                ),
                array(
                    'key' => 'field_52ba64a564a1b',
                    'label' => 'Text',
                    'name' => 'box_text',
                    'type' => 'wysiwyg',
                    'required' => 1,
                    'column_width' => '',
                    'default_value' => '',
                    'toolbar' => 'basic',
                    'media_upload' => 'no',
                ),
            ),
            'row_min' => 4,
            'row_limit' => '',
            'layout' => 'row',
            'button_label' => 'Add Box',
        ),
    ),
    'location' => array(
        array(
            array(
                'param' => 'page_template',
                'operator' => '==',
                'value' => 'subpage-boxes.php',
                'order_no' => 0,
                'group_no' => 0,
            ),
        ),
    ),
    'options' => array(
        'position' => 'normal',
        'layout' => 'default',
        'hide_on_screen' => array(),
    ),
    'menu_order' => 0,
));