String array variable

[rish]

I created a variables which holds all column names as string array with all the columns separated by , but it  looks like the variable is not detecting , in the array and giving me errors. I am posting the related SC below. I am not sure if there is a bug or I am missing anything. I did try it with double quotes and single quotes but getting same error that its missing , 

[rohitjangid]

Hi rish

Can you try omitting the square brace in your variable?

You can refer 

https://cloud.google.com/application-integration/docs/variables#create-a-variable to understand data types.

[rish]

I tried it and I am getting the same error. It basically is not recognizing , .