void OVRPLATFORM_API OvrPlatform_Challenges_DeclineInvite(UGameInstance *GameInstance, FOvrId ChallengeID, OvrPlatform_Challenges_DeclineInvite_Delegate &&Delegate)
GameInstance: UGameInstance *ChallengeID: FOvrIdDelegate: OvrPlatform_Challenges_DeclineInvite_Delegate &&void OVRPLATFORM_API