Field Filter on column created by using case statement

i retrieved data from a table in which 1 column was fetched using CASE statement. now i want to add field filter on that column. can anyone please let me know how to write the filter code for that.

Hi @prashantpnd07
Please don’t create multiple topic about the same thing.
You need to use a database view as pointed out Same column reference from multiple field filters and Concat in field filters