Ditto call to show only documents in parent folder

Hello,

I am working on a miniblog format for a couple of different subsections of my website. I would like to show the current blog listings in the sidebar, but only the ones that belong to the parent folder. I am using the same template for three different sections, each with its own miniblog. So what parameter would I use instead of using the folder ID number? Is there a parameter for dynamically showing the newslistings only from the current parent document?

Here is the code in my sidebar. Instead of StartID=’56’ (for instance), is there a way to call StartID parent so that I don’t have to have a separate template for each section?:

[[Ditto? &startID=`56` &summarize=`2` &total=`20` &commentschunk=`Comments` &tpl=`nl_sidebar` &showarch=`0` &truncLen=`100` &truncSplit=`0`]]

Thanks!
Catherine

&startID=`[*parent*]`

Good luck.

I made a small snippet that maybe be intresting for you.
http://modxcms.com/GetChildIds-096-1709.html