How to attach specified PHP function to specified hook in OpenCart?

Question

opencart

It is necessary that the function from the OpenCart plugin be called when the site page is updated.
WordPress has the add_action() function.
Is there something similar in OpenCart? If yes, please tell me how to do it.
I found something about the Event class on the Internet, but did not figure out how to work with it. And I'm not completely sure that this is the class I need. I will be grateful for help.

Answer 1

So write down what you need. So far, one stream of consciousness - no specifics