7.37. WriteMessage

7.37.1. Attributes

7.37.2. Description

This action is used to write a string to the display. The string value of the value attribute defines the string that will be written on the display. If the string contains parenthesized expressions, they are dynamically evaluated as numerical expressions and their values replace the expressions in the string.

7.37.3. Expected children

None.

7.37.4. Expected target

None.

7.37.5. Example

The example below defines an action that writes on the display the value of the scalar variable alt of the node classe.1.21

<action>
  <write_message value="({$classe.1.21:alt})"/>
</action>