encourage her with treats and make it a good experience rather then one she doesnt like, going to the door, going outside, walking with you. doing the deed. eventually you can lessen the reward and it will be habit
this thread has truly restored my faith in the self importance of humans beings (term used loosely).
I have had a couple of goes on eebs now and have been riding mtbbs for 20 years or so and being still relatively fit I cant wait to get one to add another dimension to enjoying two wheels in the dirt along with my other bikes if I can still pedal them