[SOLVED] get document id

Hey guys, how to get document id into the snippet?
The case is
When I open the document with id=8
and then the document template will call snippet, and then the snippet automatically get the id.

How to do this?
Thanks before

gee thanks
how can I get that variable list?
I mean $modx->documentIdentifier and so on.

Hi there,

how can I get that variable list? I mean $modx->documentIdentifier and so on.

http://spreadsheets.google.com/pub?key=pHJSI5ye5FxqRfh1nEPCnJA&gid=6
http://blog.medianotions.de/en/articles/2008/modx-feature-api-cheat-sheet

wow, thank you sharkbait

More info here: http://bobsguides.com/modx-snippet-faq.html