[ExtensionOf(formDataSourceStr(smmContactPerson, ContactPerson))]
final class MySmmContactPerson_ContactPersonDs_Extension
{
// Declare and initalize FormObservableLink
private FormObservableLink observableLink = new FormObservableLink();
edit NoYes myMethod(boolean _set, ContactPerson _contactPerson, NoYes _newValue)
{
// This says that observableLink will be able to refresh myMethod()
observableLink.observe();
....
}
void refreshMethodsWhenSomethingHappened()
{
// Here we trigger a refresh
observableLink.markChanged();
}
}