How do I set a Key field in DataTable?

Problem setting the keyfield in data table:

Hi So I’m trying to setup a datatable. However I’m having trouble setting the keyfeild.
In a video I watched the way to edit is here:

However I do not have that in the my data table:

Thanks again.

If you mean the row name, then you can double click it:

Image from Gyazo

What I find curious is that I do not see the field the arrow is pointing at :expressionless: I generally import DT from an external sheet, maybe that’s why.


I see, the screencap is from an older video; the DTs evolved over time a bit. In case you need it, this is barely a week old: