Select variables whose values determine the column names in the Output Wide Data Set. The combined values must be unique for each row.Note: If you leave this blank, the columns are named Prefix1-Prefixn using the prefix given in the Prefix for Wide Column Names parameter, or Col1-Coln if no prefix is specified.The Available Variables field becomes populated with variables from the specified data set.
Left-click a single variable, or hold down while left-clicking multiple variables, from the Available Variables field.
Click to add the selected variable(s) to the Variables Defining Wide Column Names field.