WAB Attribute Table: Close all tabs in the widget

[RogerF]

Is there anyway to close and clear all tabs in attribute table widget ? I am using below code to do that but it is not working. 

atWidget is reference to attribute table widget. 

[RogerF · Accepted solution]

found the solution. 

[JaysonLindahl]

Hey Roger!  This is a great idea.  Where do you implement this solution and how does it appear in the viewer?