symfony - symfony2 twig render nesting sub directories -


i seem having problems twig render nesting

to explain further have following view layout structure

resources   .. config   .. public   .. etc   .. views     .. weekbreakdown       ..  export           .. export.html.twig           .. other.html.twig       .. index.html.twig       .. other.html.twig

now can render following without error

$this->render('namebundle:weekbreakdown:index.html.twig');

or 

$this->render('namebundle:weekbreakdown:other.html.twig');

what having trouble rendering export path.

i have tried

$this->render('namebundle:weekbreakdown:export:index.html.twig');

and also..

$this->render('namebundle:weekbreakdown:export\index.html.twig');

i invalidargumentexception: unable find template

this should work

$this->render('namebundle:weekbreakdown/export:index.html.twig');

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