Define 'Text' datatype by default in Update data activity

Hello, first thread from my end 🙂

I want to define and update "options" within in a workflow.

So mainly I have a list of ID, Label, Default value and Description. I read the list and push it to a Update data activity.

How can I set the Data type to "Text" by default?

Fields to update look like this:

I get an error for the dataType source:

What's the correct value for datatype?

Greetz, Tommy