bool InternalTryActivateAbility ( [FGameplayAbilitySpecHandle](API\Plugins\GameplayAbilities\FGameplayAbilitySpecHandle) AbilityToActivate, [FPredictionKey](API\Plugins\GameplayAbilities\FPredictionKey) InPredictionKey, [UGameplayAbility](API\Plugins\GameplayAbilities\Abilities\UGameplayAbility) ** OutInstancedAbility, FOnGameplayAbilityEnded::FDelegate * OnGameplayAbilityEndedDelegate, const [FGameplayEventData](API\Plugins\GameplayAbilities\Abilities\FGameplayEventData) * TriggerEventData )