My t isn't CBT but I know she often uses the principles with me when it fits. It is unstructured and I never have homework unless like laxer she wants me to think on it. I am in long term therapy. One friend who went into short term therapy however took a sole CBT approach and her sessions were very structured with books to read and homework. I hope your sessions work for you which I think is the main thing. For me I need some elements of CBT to cope, but a lot of time working through larger long term issues properly.