There are some user-centric tutorials that will introduce you to features of FluxTraining.jl one at a time
Alternatively you can read more about how FluxTraining.jl is implemented and how you can extend it
Find out how the training loop is built and how to customize it.
Callbacks are a powerful feature of FluxTraining.jl, allowing you to add functionality to the training loop at different points.
Find out
how to use callbacks when training
what callbacks come included with FluxTraining.jl; or
how callbacks work and how to implement your own