Please open a new post for a new question.
To answer quickly:
Translation:
“How can I add aGameplayTag
at runtime in C++ (C++ RunTime)? For example, how can I add aGameplayTag
to aGameEffect
in thePreAttributeChange
function?”
I’m not sure to understand the use case but you can apply a second GameplayEffect, when one is applied. Check the Life Steal example : GitHub - tranek/GASDocumentation: My understanding of Unreal Engine 5's GameplayAbilitySystem plugin with a simple multiplayer sample project.