First: What is WinBuilder 20xx?
It is a new generation of WinBuilder, appearing soon.
It is still named WinBuilder, the "20xx" is only used as tagging.
To avoid some user disappointments, when WinBuilder is published the first time, some posts with information about syntax will be published here.
It is not a standard documentation, but I hope that developers can understand.
Generally: WinBuilder scripts are Beanshell scripts. The Beanshell (and therefore also standard java) syntax is the base.
A real documentation will follow after WinBuilder left the beta stage.
Available single documentation: