It’s a preview feature, so you need to enable it via your team settings:
It needs to look something like the below:
The tricky part for you will be writing your values into the Multiple Texts column. Because it’s an array type column, you can’t write values to it directly via the data editor - it needs to be done through a workflow or action. The way I created that example was:
- A normal text column containing a joined list of roles for each row
- A split text column to create an array from that
- A collection with an item click action that set the calculated array value into the multiple texts column
