If you enter filter criteria for a parent portlet, when you click on it's drill down portlet, the filter is not carried over from the parent portlet.
This is working as designed. When you enter a filter for a parent portlet, when you click on the drill down portlet, you will need to enter the desired filter criteria for that sub-portlet.
If you can provide specific use cases where an enhancement in this area would greatly improve your user experience in Clarity, please request anenhancement for our Product Management team to review, you can use the Idea feature of the Clarity Global User Community at: https://communities.ca.com. If you are not a member of the Clarity Global User Community, we encourage you to join today.