params expression 3cfunc 3ct 2c object 3e 3e 5b 5d includeproperties

1public TEntity GetById(Guid id, params Expression<Func<TEntity, object>>[] includeProperties)
2    {
3        if (id == Guid.Empty) return null;
4
5        var set = _unitOfWork.CreateSet<TEntity>();
6        foreach(var includeProperty in includeProperties)
7        {
8             set.Include(includeProperty);
9        }
10        return set.First(i => i.Id == id);
11    }
12