2.3.x-and-above/upload/catalog/view/javascript/facebook_business/facebook_pixel_3_1_2.js
3.0.x-and-above/upload/catalog/view/javascript/facebook_business/facebook_pixel_3_1_2.js

2.3.x-and-above/upload/catalog/view/theme/default/template/extension/module/facebook_business.tpl
3.0.x-and-above/upload/catalog/view/theme/default/template/extension/module/facebook_business.twig