Unreal End/Exit Delegates

Sample.cpp

//FCoreDelegates
EndDelegate = FCoreDelegates::OnPreExit.AddLambda([&]
{
  UE_LOG(LogTemp, Log, TEXT("OnPreExit"));
});
  
//Cleanup
FCoreDelegates::OnPreExit.Remove(EndDelegate);


//FEditorDelegates
FDelegateHandle EndPIEdelegate = FEditorDelegates::EndPIE.AddLambda([](bool bIsSimulating) {
  UE_LOG(LogTemp, Log, TEXT("Ended Pie"));
});

//Cleanup
FEditorDelegates::EndPIE.Remove(EndPIEdelegate);


//FGameDelegates
FDelegateHandle EndDelegate = FGameDelegates::Get().GetExitCommandDelegate().AddLambda([&]
{
   UE_LOG(LogTemp, Log, TEXT("Exit received"));
});

//Cleanup
FGameDelegates::Get().GetExitCommandDelegate().Remove(EndDelegate);

Related: https://ikrima.dev/ue4guide/gameplay-programming/master-engine-flow/core-eventsdelegates/