How to add ID or Invoice Number in the subject of the admin emails

-- HikaShop version -- : 4.3.0
-- Joomla version -- : 3.9.20
-- PHP version -- : 7.3.19
-- Browser(s) name and version -- : Google Chrome and other

Hello!

I use HikaShop Business 4.3.0. I want to add an ID or Invoice Number to the admin email subject.
It's about that: ORDER_ADMIN_NOTIFICATION_SUBJECT="A new order has been created on your website"

Now I receive an email with the subject: "A new order has been created on your website"
I want it to be like this: "A new order has been created on your website with ID XXX or Invoice Number XXX"

I ask for your help. Thank you in advance!

After a lot of searching, I found a solution. Sorry for the topic. I tried to delete it, but I can't find an option.

This is the topic that helped me: www.hikashop.com/forum/orders-management...or-notification.html

Hello, Thanks for the link, I've got the Business version of HikaShop, and looking at the Admin notification email in the subject line I now have:

ORDER_ADMIN_NOTIFICATION_SUBJECT {VAR:order.order_id}

Will this now add the Order ID to the email subject?

I'd also like the email to actually appear as if the From address is that of the customer (makes it easier when replying!). However I tried to enter {VAR:customer.user_email} into the From Address but this then fails to deliver.

Thanks

Nicolas,
Thanks I followed your advice and changed the subject to this:

A new order - {VAR:order.order_id} has been created on your website

However, this still does not replace the code with the order number it comes through exactly as above!

Please see the attached showing the admin backend.

Thanks

Nicolas,
Still no luck

I now have this in my email subject of the main information:

A new order - {order.order_id} has been created on your website

But now nothing gets displayed when the email is sent:

Nicolas,
That worked! THANKS!