Replace your array variable:
With this (paste into the same spot):
["{{join(1.array; """,""")}}"]
Then, replace 1.array with your array variable.
Hope this helps! Let me know if there are any further questions or issues.
— @samliew
P.S.: Did you know, the concepts of about 70% of questions asked on this forum are already covered in the Make Academy. Investing some effort into it will save you lots of time and frustration using Make later!