Choose FaceTime > Settings, then click General.
Select the “FaceTime Live Photos” checkbox. (This option is unavailable during a call.)
Note: When you select this option, you’re also allowing others to take Live Photos of you.
Before taking a Live Photo, make sure you’ve opened the Photos app .
When you take a Live Photo of someone, or someone takes a Live Photo of you, you both receive a notification.
Note: If you can’t take a Live Photo of someone, make sure both of you have set up FaceTime for Live Photos.