Represents what a capability modifies in a PBXProject.
| AppGroups | Definition of the App Groups capability requirements. |
| ApplePay | Definition of the Apple Pay capability requirements. |
| AssociatedDomains | Definition of the Associated Domains capability requirements. |
| BackgroundModes | Definition of the Background Modes capability requirements. |
| DataProtection | Definition of the Data Protection capability requirements. |
| GameCenter | Definition of the GameCenter capability requirements. |
| HealthKit | Definition of the HealthKit capability requirements. |
| HomeKit | Definition of the HomeKit capability requirements. |
| iCloud | Definition of the iCloud capability requirements. |
| InAppPurchase | Definition of the In-App Purchase capability requirements. |
| InterAppAudio | Definition of the Inter-App Audio capability requirements. |
| KeychainSharing | Definition of the Keychain Sharing capability requirements. |
| Maps | Definition of the Maps capability requirements. |
| PersonalVPN | Definition of the Personal VPN capability requirements. |
| PushNotifications | Definition of the Push Notifications capability requirements. |
| Siri | Definition of the Siri capability requirements. |
| Wallet | Definition of the Wallet capability requirements. |
| WirelessAccessoryConfiguration | Definition of the Wireless Accessory Configuration capability requirements. |
| framework | Specifies a framework required by the capability. |
| id | Specifies the capability identifier. |
| optionalFramework | Specifies an optional framework a capability may use. |
| requiresEntitlements | Specifies if a capability requires entitlements. |
| StringToPBXCapabilityType | Convenience method that converts a reverse DNS name(i.e. com.apple.iCloud) to a PBXCapabilityType. |