> I am creating new document type in cms, and there are only three default
> layout available
> 1) 2 column
> 2) Vertical List
> 3) Horizontal List
> How can i create Custom layout
> i need 3 column layout
It's possible (though not documented) to add additional layouts to the system. You'll have to look at the twocolumn layout for the best example. It's not hardcoded, with some markup and xml this is possible.