[FActiveGameplayEffectHandle](API\Plugins\GameplayAbilities\FActiveGameplayEffectHandle) ApplyGameplayEffectToSelf ( const [UGameplayEffect](API\Plugins\GameplayAbilities\UGameplayEffect) * GameplayEffect, float Level, const [FGameplayEffectContextHandle](API\Plugins\GameplayAbilities\FGameplayEffectContextHandle) & EffectContext, [FPredictionKey](API\Plugins\GameplayAbilities\FPredictionKey) PredictionKey )