RSS feed - ditto

I have make a rss feed with Ditto like this:
[!Ditto? &parents=`0` &format=`rss`!]

Can I tell ditto to also get the child-pages ..... all the sites on the domain!

..... hope you understand my English?

I think you need &depth parameter.
http://ditto.modxcms.com/files/snippet-ditto-php.html#depth

Perfect .... thanks