__This is possible only in media response type questions. __
During creating a new job - or editing an existing job
Click on the 💬 icon next to the question
In the sidebar that shows up you can now add the details
This can be
text (which can be formatted)
links
code blocks
embeds (for externally hosted media)
You can also add a video to explain details.
You can either upload a previously recorded video.
Or record a video right within the sidebar