Custom components are placed into pages from FrontPage, using either the Insert|FrontPage Component dialog or the Form Properties dialog. An author can configure a FrontPage component by editing its properties. This causes the dialog box appropriate for the given type of component to be displayed. If no dialog is registered for the component type, it can still be modified with the generic FrontPage Component Properties dialog. When the component dialog is dismissed, its attribute list is written back into the page inside the HTML comment.
The generic FrontPage Component Properties dialog