I use automation and jira markup language a lot in oder to set template texts. The new(?) feature for inserting a checklist item would fit perfect in this concept! At the moment we use bullet points for acceptance criteria. That is very easy to write in markup with
* criteria1
* criteria2
* ...
But now I wonder how I could get such a checkbox instead of the bullet point by using markup?

I've tried a few possible syntax I know from other Jira Apps. Like
[ ] ...
but nothing works and it doesn't seem to be supported.
We don't to use extra apps!
EDIT: found out, that the new feature is called "action item". And it should be triggered by [ ] ...