# Info on \_root\[

**URL:** <https://forum.kirupa.com/t/info-on--root/228192>\
**Category:** Uncategorized\
**Created:** [June 6, 2007, 1:02am UTC](https://forum.kirupa.com/t/info-on--root/228192 "2007-06-06T01:02:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![cmos](https://avatars.discourse-cdn.com/v4/letter/c/ebca7d/32.png) [@cmos](https://forum.kirupa.com/u/cmos)\
**Post date:** [June 6, 2007, 1:02am UTC](https://forum.kirupa.com/t/info-on--root/228192/1 "2007-06-06T01:02:41Z")

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I’m looking for some documentation on \_root[“blah”+x+"\_mc"].whatever. I’ve used this method many times to include a variable in some code to make a script dynamic but not sure where I picked it up and what it’s actually called.

Thanks for any help provided.