Is there a way to make R beep/play a sound at the end of a script?

I have a package (beepr) with the sole purpose of making notification sounds in R which should work cross-platform. Run the following to install beepr and make a sound:

install.packages("beepr")
library(beepr)
beep()

More info at github: https://github.com/rasmusab/beepr