Admin Columns: Add variation name to column

Admin_columns_variation_name.php

<?php
function ac_column_value_usage( $col_value, $id, AC\Column $column ) {
	if ('column-wc-product_details' == $column->get_type()) {
		$order = wc_get_order( $id );
		foreach ( $order->get_items() as $item_id => $item ) {
			if ( $item->get_variation_id() ) {
				$product = $item->get_product(); 
				foreach ( $product->get_attributes() as $attribute => $value ) {
					$name = term_exists( $value, $attribute ) ? get_term_by( 'slug', $value, $attribute )->name : $value;
					$col_value =  $col_value .'<br>' . $name;
				}
			}
		}
	}
	return $col_value;
}
add_filter( 'ac/column/value', 'ac_column_value_usage', 10, 3 );