I'm working on a Magento extension and I need to implement Amazon Merchant fullfillment API(
And since I'm new in developing extensions(mostly edited existing ones), I'm wondering what is the best way to do this.
Do I just place the files in a separate folder(in the Model dir f.e?) folder and then use
require_once to call the ones I need or there's another approach?
I'm sorry if my question is somehow incomplete or unclear. Will do my best to clarify something if needed.