Unreal Engine 4.x Scripting with C++ Cookbook - Second Edition

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Once the GameplayEffect is active, you will receive an FActiveGameplayEffectHandle. You can use this handle to attach a function delegate to run when the effect is over using the OnRemovedDelegate member of the FActiveGameplayEffectHandle. For example, you might call the following code:

FOnActiveGameplayEffectRemoved* ep = AbilitySystemComponent->    OnGameplayEffectRemovedDelegate(recoverHpEffectHandle);if (ep) {    ep->AddLambda([]()     {        UE_LOG(LogTemp, Warning, TEXT("Recover effect has been removed."), 1);    });}