![](http://images.ctfassets.net/mpv16aisnpdx/5NzL7Kq5u5MTnuAdOVzFbv/d363cf00ff8c2f34559c30955f50b365/Email__5_.png)
How does the Postscript and Listrak integration work?
![Integration screenshot](http://images.ctfassets.net/mpv16aisnpdx/4VjfIgqgp3P3I3uV4rxYnA/1190c4773145448cd94f436b3db7369f/Screen_Shot_2023-07-07_at_1.02.55_PM.png)
Step 1
Enable the integration from your apps section in the admin
Step 2
Connect your Postscript pop up to your Listrak list
Step 3
Collect email opt-ins and pass them to Listrak
Applications and Use Cases:
Field IDs- Passing customer custom properties to Listrak. These properties are called field IDs in Listrak which allow you to utilize them in various ways.
Email addresses - Collect email addresses via Postscript pop-ups and send them to your different Listrak lists.