Accessing product context from order context

MainApplication

using ProductManager.Shared;

services.AddTransient<IGetProductsQuery, GetProductsQuery>();

OrderManager.AppShared

using ProductManager.Shared

public class OrderService
{
  public OrderService(IGetProductFormulaQuery getProductFormulaQuery) _getProductFormulaQuery = getProductFormulaQuery;
  
  public List<OrderDto> Get()
  {
    var products = _mediator.Send(_getProductFormulaQuery);  // without parameter
  }
}

ProductManager.AppShared

public interface IProductService
{
  List<ProductDto> GetByOrder(int orderId);
}

public class ProductService : IProductService
{
  public List<ProductDto> GetByOrder(int orderId) { }
}

ProductManager.Shared

public record ProductDto(int Id);

public interface IGetProductsQuerys(int orderId) : IRequest<List<Product>> { }