Login to your My Account affiliate portal Here.
You will land on your Dashboard page and you will select the Affiliate tab as shown in the image below.
From the Affiliate tab, choose the profile tab in the affiliate panel as shown in the image below.
The referral URL generator box shown in the image below is where you will past the the product URL to generate your custom URL. Now lets get the URL that wee need to make our custom referral link.
You will need to get the URL of the product or collection that you want to create a custom link for. You can do this ahead of time, before you log into the Affiliate Portal. Please take note that you do not want to use the entire URL, you only want the portion as shown in the image.
In the Affiliate Panel Referral URL Generator box, paste the product URL portion that you copied and the new referral link will automatically be generated below it as shown in the image. Copy and save the generated referral URL to use as you need.