Which three are functions of Object Designer?

Which is the correct way to add a new thread entry to an incident by using the Connect for PHP API model?
A)

B)

C)

D)

What two benefits are gained by using Message Bases to control page content in Customer Portal?

You are implementing the Syndicated ProactiveChat widget on an external page.
Custom JavaScript is used to display the widget's chat request dialog box based on custom logic not provided by the widget. How can you disable the ability for the widget's chat request dialog box to display automatically?