Thank you for the input. I'll try to make the page more clear when it comes to examples. There's one example listed in the interface part of the page.

http://codeward.org/capdiss/#interface

Same script is also available in the repository saved in file lua/example.capdiss.lua. You can run it this way:

capdiss -f lua/example.capdiss.lua ./your_capture_file.pcap