Add tracking code in e-mail confirmation

I want to add a Transport tracking link when I will press the ready button of the order which will send a confirmation E-Mail to the buyer.

Here an example: Dropbox - tracking.png - Simplify your life

But I Need also an Inputbox where I can Input the tracking code.

my testside is

Hope somebody can help me how I can solve this.
kindly regards

Hello there,

I hope you are doing well today.

For you issue you would have to edit the Woocommerce template, which would require you to customize the code of the template or try using third party plugin to add the tracking feature.

Here is one such plugin:

Best Regards,