Follow these steps to add your preference center to Iterable.
First, in Iterable you will need to go to Settings > Project Settings and enter the URL in the Hosted Unsubscribe URL input.
Be sure to enter in the URL with ?email={{email}} at the end of the URL
So, if the URL for the page is https://page.domain.com/unsubscribe you’d want to use https://page.domain.com/unsubscribe?email={{email}}
In your Iterable Email Templates, you can now use this parameter {{hostedUnsubscribeUrl}} to reference the URL.
If you have any questions about setting this up, send us an email and we’ll be glad to help!