The Export DBML feature requires an upgraded subscription on ChartDB Cloud. See our Cloud vs Self-Hosted documentation for more details.
1

Locate Tables List

In the editor’s side panel, locate the top of the tables list on the left
2

Open DBML View

Click the arrows button (”<>”)
3

Copy DBML Script

The DBML script representing your diagram will be displayed. You can copy it for use elsewhere.