NetSuite Saved Search as data source for FCCS

Summary:

NetSuite Saved Search as data source for FCCS, but unable to pull Ending Balance for a posting period

Content (please ensure you mask any confidential information):

We were able to stand up a Saved Search on the NetSuite end and successfully pull data into FCCS. But what we ae not able to do is to pass a parameter to pull Ending Balance. In Data Integration Application, the criterion called postingperiod comes thru and in the data rule I am only able to assign only specified values from a list such as This Fiscal Year to Period. I am wondering if anybody has done a similar configuration and is able to pull Ending Balance by specifying a posting period from NetSuite.