how do you put @XXXXX to reply to a specific poster?

skieurope
Tue, 22 Jan 2019 16:02:54 +0000

When I reply to a post, i notice it does not refer back or quote the post i am trying to answer.

Correct

How do I go about placing that @ thingy?

You type it as part of the response . e.g. @parentofsix