href Attribute (taskpane Element)
Specifies the relative or absolute Uniform Resource Locator (URL) to an .html file.
The href attribute is a required attribute of the taskpane element.
The .html file is loaded into an instance of the task pane when a form is opened. The .html file can include business logic scripting code and can access appropriate Microsoft Office InfoPath 2007 object model members.
The following is an example of the href attribute as it is used in the taskpane element: