How to pass data to the Model layer of the model view presenter

The Presenter get data from the View through Presenter Interfaces. As shown in the following codes:Code SnippetInterface ICustomerViewproperty CustomerNo as Integerproperty Name as stringproperty Address as StringEnd Interface
To get data from the View:Code SnippetClass CustomerPage� Implements ICustomerViewproperty CustomerNo As IntegerGetReturn txtCustomerNo.textEnd GetSet (Value as Integer)txtCustomerNo.Text = ValueEnd Setend property'ETC.End Class
Now How about the Model, do I have to create an ...