Add an AJAX container to a layout to group documents such as work items, cases, and
    harnesses. The AJAX container is not tied to any specific panel of a screen layout.
    - 
        On the Design tab, click the Layout
          control group.
      
- 
        Select the AJAX container control, and drag it into a
          section.
      
- 
        In the AJAX Container Settings window, configure the AJAX
          container:
        
          - Optional: 
            In the Default view drop-down, select what you want to
              display within the container.
          
- Optional: 
            To use tab navigation between multiple documents, select the Show as
                tabs check box.
          
- Optional: 
            In the Maximum Documents drop-down, select how many
              documents the container can hold.
          
- Optional: 
            To specify the container as a target for secondary content launched within a
              harness, select the Mark as secondary container check
              box.
            Configure the respective sections to launch in the secondary container. Follow the
              steps from  3.e
              to  3.j. 
- 
            In the form that you are editing, click the chosen section and click the
                View properties icon.
          
- 
            On the Actions tab of the Properties
              panel, click Create an action set.
          
- 
            Click Add an event and select an event that the application
              user will perform, such as Click or
                Hover.
          
- 
            Click  and select the Load in secondary container check
              box.
          
- 
            Click Submit. 
          
- 
            On the Section form, click Save.
          
- Optional: 
            In the Accessibility section, set the Aria
                Role parameter to Presentation or
                Main.
            For a description of the various role types and subsequent values, go to the World
              Wide Web Consortium website. 
 
- 
        Click OK.