Adding affiliate links to Woocommerce variations

Question

I am trying to add affiliate links to the Woocommerce variations. The idea is to have a unique http link/URL(affiliate link) for each product variation. A link/URL that I can en

Answer 1

It's been a while, so you may have resolved this. But anyone in the future who comes here looking for an answer like I did.

Replace:

add_action( 'woocommerce_process_product_meta_variable', 'variable_fields_process', 10, 1 );

with:

add_action( 'woocommerce_save_product_variation', 'variable_fields_process', 10, 2 );

Saving variants changed as of WooCommerce 2.4.4