system.nav.swapTo(path [, params])
String path - The path of a window to swap to.
PyDictionary params - A dictionary of parameters to pass into the window. The keys in the dictionary must match dynamic property names on the target window's root container. The values for each key will be used to set those properties. [optional]
PyObject - A reference to the swapped-to window. Refer to the list of window objects.