Hi @Ankur Bawiskar,
My reference qualifier is not working in my variable item. In my catalog request form when reuester request software that name was stored in software_title. When we already have the same title name than the record should be visible in Existing software list. I've use the List Collector Type. Reference qual = javascript: "name=" + current.variables.software_title. I've send the screen shot for reference.
Reference qual:
Form:
