Can't find the random number function.

Options
Hello,

This video(https://www.youtube.com/watch?v=sjP3tIACjqc) explains that there is a function for random numbers in the utility function. But like the screenshot, I can't find it.
[ss 2021-12-16 12.12.12.png]
Is this a bug? Anyone, please help me.

Thanks.

Comments