Suppose you want to develope a custom extension that should provide product_redirect_links to amazon.com, ebay.com and other sites. Suppose this must be added using extension_attribute feature to make that availbe for product repository and services, then what are the customizations needed to develope it: Choose 2

A client uses an external PIM for managing product information. They want to run a cron job every minute to update and create products. The site is using the "Update by schedule" index mode and the full page cache is enabled.
What is required to make these updates visible on the frontend?

After enable the content security policy in a magento site, you see below warnings/errors in the browser console. "[Report Only] Refused to load the script 'https://cdn.jquery.com/jquery.js' because it violates the following Content Security Policy directive: "script-src assets.adobedtm.com".What could be the standard fix of this problem?

A merchant wants to send email notifications to those customers after a week who placed the order but didn't pay. Suppose email content is almost similar to the default order email template content with some additional text, so you decided to use the same but in a new custom template. How you pass the order object to the email template so that it will render the all data of default template?

You are developing an in-house solution for catalog management which is implemented as a Magento module called MyCompany_MyModule. To streamline integration with the ERP system you decided to expose MyCompany_MyModule'S functionality via REST.
What are the three minimum requirements to achieve this?