To segment your Contacts, you must first create a Project List. You can do this by going to your Project Contacts page, click on Add New List, and click Create.
Step 1 — Click on Add to List
After creating your Project List, you can start adding Contacts to your Project List.
Go to your Project Contacts page, click the Add to List button next to the more icon.
Step 2 — Search for your Project List
Search for your Project List and click on the + icon to select it.
Step 3 — Add to your List
After selecting your List, click on Add to Lists.