Accessing the details of a business object before it goes to the BLL

Question

Hi,

I have an AddQuestion Method which takes a BO as a parameter. Something like

AddQuestion(QuestionBO QuestionObject)
{
 .......
}

Now this the add method to add a question to a table called "questions". The user will enter the question in a form view and the ODS of the formview has been configured such that the insert method is set to this Add method.

Now my problem is that, I have to alter one of the properties of this QuestionObject.

Where can I catch this object and how to edit its properties ?