![surfer 13 matching scale surfer 13 matching scale](https://support.goldensoftware.com/hc/article_attachments/4409457551131/map_limits_tab.png)
If there are not any Z attributes for the objects, you can add them. The attributes for that object are listed under the Attributes section. You can do this by selecting one of the objects in the Base layer, and clicking the Info tab in the Property Manager.
![surfer 13 matching scale surfer 13 matching scale](https://static01.nyt.com/images/2019/02/10/magazine/10mag-surfing-image1/10mag-surfing-image1-facebookJumbo.jpg)
![surfer 13 matching scale surfer 13 matching scale](https://www.nghenhachay.net/image/UU1hOFBlYlhwcjg/mqdefault.jpg)