How to check a pointer valid?

thank you !!!
i know TWeakObjectPtr can do this, is there any way to check a c++ pointer valid in ue4 api? or for check it, must use TWeakObjectPtr? :slight_smile:

for example, can i use Obj->IsValidLowLevel() Obj->IsPendingKill() Obj->IsUnreachable() to check it ?