Leaving the model editor
When you leave the model editor using the corresponding toolbar button, you are returned to the model manager. You can then, for example, edit a different model, or change the mode or state of the current model.
CAUTION:
All unsaved changes are lost when you navigate to a different URL or close the browser window.
To leave the model editor
In the toolbar of the model editor, click 
. In case there are still unsaved changes, you are asked whether to save or discard them.