The Assign function designates the person who is responsible for completion of the item.
To assign a person to the item, tap on the Assign field
The list of your contacts will appear.
Tap on a name to assign that person to the item, or tap Empty to de-assign the item.
While in the punch list assign window you can tap the Edit button to jump to editing your contacts. See Manage Contacts. To exit the Manage Contacts window tap the Done button. Remember to tap a name or Empty to leave the Assign window.