1
If you didn't also overwrite the js file for your template, the method getFormattedPrice is not defined in your component. That is why you get undefined when trying to use getFormattedPrice.
If you didn't overwrite it then the component for your tempalte is this one: vendor/magento/module-checkout/view/frontend/web/js/view/summary/item/details.js .
The ...
Only top voted, non community-wiki answers of a minimum length are eligible
