In the Extol Integrator Main Menu select option ‘5′, Mapping
In the Mapping Menu select option ‘3′, Work with message classes
In the Work with message class panel, put option ‘8′ on the message class you want to map the constant to
In the Select message class function panel, put option ‘2′ in the Message class application file fields option column
Place a ‘2′ on the field that needs the constant
In the Change message class field map details panel, type ‘C0′ in the Field data source/destination field and press Enter
The Constant Key and Constant length fields appear.
Type a ‘?’ in the first Constant key field and press Enter.
The Select message class constants panel appears
Locate your desired long constant and type a ‘1′ in its Option field and press Enter
Press Enter to confirm your changes. Notice in the Work with message class application file fields panel, a C0 appears in the field’s Source/destination column
By: Sean Hoppe on