const [UMassEntityTraitBase](API\Plugins\MassSpawner\UMassEntityTraitBase) * FindTrait ( [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [UMassEntityTraitBase](API\Plugins\MassSpawner\UMassEntityTraitBase) > TraitClass, const bool bExactMatch ) const