Use
The Audit Logs widget displays the changes of a signal.
The Audit Logs widget displays the change process of a selected signal. It displays the name of the signal and the date when the signal was changed. Under Actions you can see what change has been made and under Value what value the signal has received. Lastly, the user who made the change is displayed.
Configuration
Select the Audit Logs widget from the Logs category.
Assign a suitable title in the Basic Configuration for the Audit Logs. The header can be displayed by selecting the check box.
Then go to the "Data Selection" tab and click "Select Signal".
Clicking "Select Signal" opens the Entity-Select window. You can add a previously created signal here.
Once you are satisfied with your configuration, you can save it.