How to create a shortcut for Cue Sends to use on the SSL UF8

So I want to adjust my Cue send levels with the pan controls on the UF8. That way I can quickly adjust the volumes of each track with the UF8. How do I do that?

In Cubase, I went into Studio setup, Mackie Controller and there is no Cue or Send option under Category.

Hi, this document may be useful, although I have no idea how it translates to the UF8.

From p. 24 on:

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It did work ok on my Icon Pro Audio P1M, especially using the ‘Flip faders’ feature.