Creating a Constraint Business Rule

You create a constraint business rule as follows:

1. Select Model > Business Rules to open the List of Business Rules, and click the Add a Row tool to create a new rule.
2. Enter a name and a code for the new rule, and click the Properties tool to open its property sheet:
3. Select Constraint in the Type list, and then click the Expression tab.
4. Enter an expression in the Server page.
   
   
5. Click OK to save your changes and return to the model diagram.