UIBackgroundModes
Services provided by an app that require it to run in the background.
Possible Values
audiobluetooth-centralbluetooth-peripheralexternal-accessoryfetchlocationnearby-interactionnetwork-authenticationnewsstand-contentprocessingpush-to-talkremote-notificationvoip
Discussion
To add this key to your Information Property List, enable the Background Modes capability in Xcode. For information on configuring background execution modes and the platforms that support them, see Configuring background execution modes.