/lib/udev/rules.d/60-awesfx.rules is in awesfx 0.5.1e-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | SUBSYSTEM=="sound", KERNEL=="hwC?D2", ACTION=="add", DRIVERS=="snd_emu10k1|sbawe", RUN+="/lib/udev/awesfx.sh"
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