How to unindent in AptanaStudio3?

I'm a new AptanaStudio3 user and really starting to fall in love with in. One question though, can't figure out how to unindent?

Solution

Found the answer here: https://aptanastudio.tenderapp.com/discussions/suggestions/246-block-indent-and-block-unindent

The shortcut key is Shift + Tab

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