Choose from list of given string of values and return one of the randomly
Create a new variable of the type you want Number/String then go to Functions and select one of the two available functions
and set the values you want to randomize separated by commas. Done.
Check a mini tutorial: https://youtu.be/h0uLECuAwko
Here the project: https://drive.google.com/file/d/1ydRdbEsFX-MVKaWv6lpq7GAeWEkBQiCr