The February 2019 version of Coveo for Sitecore added a new rendering data source feature called
Additional Data Attributes on many Coveo for Sitecore Hive components.
You have added several tabs in your Coveo for Sitecore search interface.
The default sorting order of the search results is set to
sort option (see Tab Component - Sort).
To set the sorting order of search results for a specific tab
Experience Editor, select the tab component to set the sort order on.
On the floating toolbar, click
Edit the rendering’s data source.
Scroll to the
Save and publish your changes.