How do you match SFX IDs to their Wave #'s

[hochin]

I've read that I could find the wave number by opening my brsar in smashbox 0.57 and looking under Data, Part 3. The only thing is that Data, Part 3 doesn't list a number, all it says is "(Collection)". Am I looking in the wrong place?

Edit - Nevermind this post, the corresponding wave number was actually the GroupIndex of Info1, Part2.