From AT&T’s website:

Download the Secure Family app on your phone and the AT&T Secure Family™ Companion app on up to 9 family members' phones. Once the phones are paired to yours, you can:

• Locate family members on an interactive map
• Get an alert when your child enters or leaves a location like home or school
• Pause & resume Wi-Fi® and cellular data access
• Set a schedule to limit your child’s internet access
• Filter or block apps & web content