You can export a DMN decision requirements diagram.
Procedure
Click Models and objects.
Select the DMN decision requirements diagram.
Select Export > DMN <DMN version> export. You can choose between DMN 1.1, DMN 1.2, and DMN 1.3.
The export operation starts and saves the file to your hard disk under Downloads.
If errors or warnings have occurred during the export, they are displayed in the DMN export dialog.