AutomateWoo: Make generated coupon descriptions match the template coupon

functions.php

<?php

/**
 * AutomateWoo: Make generated coupon descriptions match the template coupon.
 *
 * Requires AutomateWoo 5.2.
 */
add_action(
	'automatewoo/coupon_generator/generate_from_template_coupon',
	function ( $coupon, $template_coupon ) {
		/**
		 * @var \WC_Coupon $coupon          The newly generated coupon object.
		 * @var \WC_Coupon $template_coupon The template coupon object.
		 */
		$coupon->set_description( $template_coupon->get_description() );
	},
	10,
	2
);