This field is to configured default tab or unanswered ticket by ascending or descending.
For example, if you set sorting mode to ‘Assigned Date > Descending’, you can see the list ticket that is not answered in the inbox team from the date of the new assignment to the date of the old determination, as shown below.
Sorting Mode Descending
But, if you set sorting mode to ‘Assigned Date > Ascending’, you can see the list ticket that is not answered in the inbox team from the date of the old assignment to the date of the new determination, as shown below.
