The formula applied to a value field determines what data is gathered with the field. The data source can be your product database or other fields of the current template. The references to the data sources are created with data functions.
To modify a value field formula:
Note:
If a value field formula consists of a single attribute function, Template Editor automatically sets the Data type, Justify (alignment), Length, Meaning and Unit properties. Depending on the Unit property, Precision or Decimal properties are also set. The values are read from the global attributes definition file.