I have noticed that many people have had problems with creating multiple attributes in woocommerce using zapier, and after a lot of research and reading the forum and documentation, I found the easiest and simplest way to do it, and that is by using the Text to Line-item format. I leave the WooCommerce documentation and the Zapier documentation here. It is very simple and it will not take you more than 5 minutes to format your zaps.
https://woo.com/document/woocommerce-zapier-integration/
https://help.zapier.com/hc/en-us/articles/8496275165709-Create-line-items-in-Zaps#h_01HJ1CTEWMEB19PZ45HB99Q097
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