function add_coupon_list_checkbox( $post, $post_id, $include_stats ) {
woocommerce_wp_checkbox( array( 'id' => 'include_stats', 'label' => __( 'Coupon check list', 'woocommerce' ), 'description' => sprintf( __( 'Includes the coupon in coupon check drop-down list', 'woocommerce' ) ) ) );
$include_stats = isset( $_POST['include_stats'] ) ? 'yes' : 'no';
update_post_meta( $post_id, 'include_stats', $include_stats );
}add_filter( 'woocommerce_coupon_data' , 'add_coupon_list_checkbox' );