I'm having trouble installing Wordpress or WooCommerce to be more specific.
The client I’ve been working with for the last couple of months wants every time the client completes / pays for the order, a user email address is sent to his email address, in addition to the standard order confirmation email.
In short: I need to send a registered letter to the customer when the order is completed. How can I do this inside functions.php function?
I tried using various hooks and functions described in the official documentation, but could not understand.
Wordpress version is 3.8.1, and WooCommerce is version 2.0.20.
Thanks in advance.
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