CONSTANT_VALUE is a 2000 character field used to hold information pertaining to the record.
If the Variable Name = 'Constant Value', this field specifies the Constant Value to be used.
If the Variable Name = 'User Calc', this field specifies the User Calc Name
If the Variable Name = 'Statistics Amt', this field specifies the Statistics Code
If the Variable Name = 'Element', this field specifies the Element Code
If the Variable Name = 'Total Value', this field specifies the Rec# and Field # of the Detail Records to be totaled. e.g. Record # 50 Field 70 is to be totaled and Total option = 'Calculate Total', then the Trailer record can report the 'Total Value', Constant value should be 5070
