Working with Dynamic Expressions
A dynamic expression is a formula that you define for generating a dynamic field value. You can use dynamic expressions to define specific behavior in a property of a model element. You define dynamic expressions in the Dynamic Expression Editor dialog box.
Dynamic expressions can define conditions for field initialization, calculation, validation, and text manipulation. They can also be used to define element behavior, such as whether an element is visible, editable, or selectable. For example, you can define the following dynamic expression for a Plain Text control (static text display field) that indicates how many seats remain in economy class on a flight.
="Book your flight soon! There are only "&NSTR(@Econofree,"")&" seats left in economy class on this flight."
For more information, see:
· Dynamic Expression Editor Dialog Box