Variable | Constraint status | Variable Properties |
Required field. | The Required property is set to True. | |
Optional field. | The Required property is set to False. | |
Required field with content type constraint | The Content type property specifies an IS schema or XML schema. | |
Optional field with content type constraint | The Required property is set to False and the Content type property specifies an IS schema or XML schema. |
Note: | Designer displays the ‡ symbol next to String, String list, and String table variables with a content type constraint only. Designer does not display the ‡ symbol next to Object and Object list variables with a specified Java class constraint. Object and Object lists with an applied Java class constraint have a unique icon. For more information about icons for constrained Objects, see Java Classes for Objects. |