Users can override the default settings at run time by filtering messages; however, the default changes are restored after reloading the page.

1. In the header of Dev Studio, search for the section that contains the pxFeed section that you want to configure, for example, pyPulseWrapper.
2. On the Design tab of the section or harness, click the pxFeed section.
3. Open the Layout Properties panel by clicking the View properties icon.
4. In the Layout Properties, click the Parameters tab.
5. Next to the feed source that you want to mark as the default source, select the Default check box.
6. Click Submit.