Callback on_epoch_end

In the video “Walkthrough a code with Callback” I heard Laurernce saying “callback has been requested on_epoch_end”. But the code for myCallback class in the notebook, does not specifically show that. Is it achieved through the function name “on_epoch_end” within the class? I mean, if I rename the function to “on_epoch_start” will I get a different outcome?


The built-in callback methods have names fit for purpose. See…