Hidden report generator columns
From Catalyst
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How
A column with a "Position:" of '0' will not be included in the output of a report.
Purpose
Why have a column on a report that is hidden?
- The value of a column can be used in another column using the column variable 'C??'.
- If you are using a variable that is time consuming to evaluate (e.g. Period totals) and you use it more than once on a line, having it stored in a hidden column and accessing that column would mean that time consuming variable would only be evaluated the once.
See also