iHUD.eAudioCue

enum eAudioCue { // Valid input bleep AC_ValidInput, // Invalid input bleep AC_InvalidInput, // Target change bleep AC_TargetChanged, // Missile warning bleep AC_MissileWarning, // Klaxon AC_Klaxon, // Ping sound AC_SonarPing, // How many cues eAudioCueCount };

Notes:
The declaration of this enumeration can be found in iHUD.h.