Hi Everyone,
This feels very basic and there are many old posts that I have found but none seem up to date. Can anyone help with how I can set the subject line of a post to a Teams channel? To be painfully obvious how do I set this (as seen in teams):

when using this flow step:

In some older posts there looks to be an actual "subject" option box but that doesn't appear for me; has it been removed? or am I missing something obvious?
Thanks!