AutomateWoo - Get a list of a user's generated coupons

functions.php

<?php

// please note the _aw_customer_id meta data was added in version 3.5.1

$user_id = 123; //example id
$customer = AutomateWoo\Customer_Factory::get_by_user_id( $user_id );

$query_args = [
	'post_type' => 'shop_coupon',
	'posts_per_page' => -1,
	'orderby' => 'date',
	'order' => 'ASC',
	'meta_query' => [
        [
	    	'key' => '_is_aw_coupon',
	    	'value' => true
        ],
        [
            'key' => '_aw_customer_id',
            'value' => $customer->get_id()
        ]
	]
];

$query = new \WP_Query( $query_args );
$coupons = $query->posts;