code-injection How to insert custom code to a specific Post (like you can with Pages)

Site URL: https://www.naturetripper.com/gear/best-dive-computers

Hey! I'm needing to insert some FAQ Schema code to a specific Post.  

When using Pages, this is done by going into the page Settings > Advanced>Insert Custom Code.

With Posts not supporting this, how can I get this done, where the code is added only to this 1 specific page?

I did see some previous answers that pointed to footer code injection however this appears to be across the entire site to all pages, rather than a specific post. 

Cheers!

OMG so simple! This worked perfectly... I'm unsure why I didn't think to do this myself!!  Thanks very much  @derricksrandomviews