Where to "save as data viewer layout" in new "drag and drop interface?

i am testing new “drag an drop interface” and want to setup an indivual “data viewer layout” but dit not find the option to save it as in standard thunkable interface …
where can i “save as data viewer layout” in new “drag an drop interface”?

It’s not added yet.
I think they Will add it in future updates.


is there any timeline for this?

Don’t know