Button to change columns of a folder

It works fine with script columns. I don't have that script installed, but this works with another one I have:

Set COLUMNSADD="scp:Max Size Column/AvgSizeRec(2)"

That will insert the column as the 3rd column. (Position 0 = 1st column, 1 = 2nd, 2 = 3rd, etc.)