[FCompositeNavModifier](API\Runtime\Engine\AI\FCompositeNavModifier) GetInstantiatedMetaModifier ( const struct [FNavAgentProperties](API\Runtime\Engine\AI\Navigation\FNavAgentProperties) * NavAgent, [TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< [UObject](API\Runtime\CoreUObject\UObject\UObject) > WeakOwnerPtr ) const