I want to display the particular attachment records based on field condition met

i have 3 types of attachments for application object.

if filename = test1 then i need to display only test1 attachments
if filename = test2 then i need to display only test2 attachments
if filename = test3 then i need to display only test3 attachments

where i ahve to write condition in skuid. can any ony explain wirth screenshot