How to use check control list of Enhanced User Interface

[xxtang]

Hello,
I am a new user, I want to use the check control list of Enhanced User Interface ,but I don't kow how to control the customer actions decided by each selection.
the verstion is 7.1.3. And the document of Help don't involvethat.
Anybody can teach me how to use the check control list? An example will be given is best.
Thank you.

[xxtang]

I have resolved the problem ,
I use this condition to control the action.
WELCOMEDLGCHECKLIST_1_PROP >< "1"
WELCOMEDLGCHECKLIST_1_PROP >< "2"