Change tick delay?

StatutSauvegarde = GetWorldTimerManager().SetTimer(MemberTimerHandle, this, &AFlagObjective::WhoDominatesFlag, 0.5f, true, 0.0f);

This code still does not compile…

 C:\UE4_forks\Unreal_Projects\VRFracture\Source\VRFracture\FlagObjective.cpp(43) : error C2664: 'void FTimerManager::SetTimer(FTimerHandle &,TFunction<void (void)> &&,float,bool,float)'?: impossible de convertir l'argument 3 de 'uint32 (__cdecl AFlagObjective::* )(void)' en 'void (__cdecl AFlagObjective::* )(void)'
  C:\UE4_forks\Unreal_Projects\VRFracture\Source\VRFracture\FlagObjective.cpp(43): note: Les types point?s n'ont aucun rapport entre eux?; conversion n?cessitant reinterpret_cast, cast de style C ou cast de style fonction