Here is a list of all documented variables with links to the documentation:

• ENGAGE_AUDIO_DEVICE_GENERAL_ERROR : EngageAudioDevice.h
• ENGAGE_AUDIO_DEVICE_INVALID_COMBINED_DEVICE_ID_AND_INSTANCE_ID : EngageAudioDevice.h
• ENGAGE_AUDIO_DEVICE_INVALID_CONFIGURATION : EngageAudioDevice.h
• ENGAGE_AUDIO_DEVICE_INVALID_DEVICE_ID : EngageAudioDevice.h
• ENGAGE_AUDIO_DEVICE_INVALID_INSTANCE_ID : EngageAudioDevice.h
• ENGAGE_AUDIO_DEVICE_INVALID_OPERATION : EngageAudioDevice.h
• ENGAGE_AUDIO_DEVICE_RESULT_OK : EngageAudioDevice.h
• ENGAGE_NETWORK_DEVICE_GENERAL_ERROR : EngageNetworkDevice.h
• ENGAGE_NETWORK_DEVICE_INVALID_COMBINED_DEVICE_ID_AND_INSTANCE_ID : EngageNetworkDevice.h
• ENGAGE_NETWORK_DEVICE_INVALID_CONFIGURATION : EngageNetworkDevice.h
• ENGAGE_NETWORK_DEVICE_INVALID_DEVICE_ID : EngageNetworkDevice.h
• ENGAGE_NETWORK_DEVICE_INVALID_INSTANCE_ID : EngageNetworkDevice.h
• ENGAGE_NETWORK_DEVICE_INVALID_OPERATION : EngageNetworkDevice.h
• ENGAGE_NETWORK_DEVICE_RESULT_OK : EngageNetworkDevice.h