The Properties tab includes all the properties available for the parent web part. Using the Display attribute in the editing form check box you can choose if the property will be available for the widget's users.

 

Please bear in mind that any change must be confirmed by clicking the OK button.

 

More resources can be found at:

 

 

Page url: http://devnet.kentico.com/docs/5_5r2/contexthelp/index.html?widget_properties.htm