[FActiveGameplayEffectHandle](API\Plugins\GameplayAbilities\FActiveGameplayEffectHandle) ApplyGameplayEffectToOwner ( const [FGameplayAbilitySpecHandle](API\Plugins\GameplayAbilities\FGameplayAbilitySpecHandle) Handle, const [FGameplayAbilityActorInfo](API\Plugins\GameplayAbilities\Abilities\FGameplayAbilityActorInfo) * ActorInfo, const [FGameplayAbilityActivationInfo](API\Plugins\GameplayAbilities\FGameplayAbilityActivationInfo) ActivationInfo, const [UGameplayEffect](API\Plugins\GameplayAbilities\UGameplayEffect) * GameplayEffect, float GameplayEffectLevel, int32 Stacks ) const