I tried to use the StringManipulation node within a loop.
I have several columns (changing) to address. Therefore I would like to address the column with a variable, but could not figure out how.
Given my variable is called VARIABLENAME, I search something like
I tried as well to create a temporary table with the rule engine, but also here I could not get the value of a column by using the VARIABLENAME to address the right column.