Hi, may I know how do I display a custom field of shop_coupon? I notice it won't work as it's not a "setting" page, it's like a single blog post. Thank you.
Can you please clarify the question? Do you mean to add a custom field to the WooCommerce coupon post in the admin area? Or output the field value of a coupon post in the frontend?
When you output the coupon post with code, you can use the helper function rwmb_meta() to output the field value of the coupon post. Please follow the documentation https://docs.metabox.io/functions/rwmb-meta/
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