Configure the cascading filters.
On the category application filter, click the (gear) icon.
Under the Display Settings tab, select the option Allow only one item to be selected at a time.
Under the Values tab, for Filter Fields, enter the
value pddistrict,date
.
Note that this matches the fields that are the basis of the other filters.
On the pddistrict application filter, click the (gear) icon.
Under the Values tab, for Filter Fields, enter the
value category,date
.
This matches the fields that are the basis of the other filters.