# Use helper or library in Radius Tags

**URL:** <https://www.ruby-forum.com/t/use-helper-or-library-in-radius-tags/155580>\
**Category:** Radiant CMS\
**Created:** [December 13, 2008, 11:31pm UTC](https://www.ruby-forum.com/t/use-helper-or-library-in-radius-tags/155580 "2008-12-13T23:31:35Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![vpredoehl](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/v/67e7ee/32.png) [@vpredoehl](https://www.ruby-forum.com/u/vpredoehl)\
**Post date:** [December 13, 2008, 11:31pm UTC](https://www.ruby-forum.com/t/use-helper-or-library-in-radius-tags/155580/1 "2008-12-13T23:31:35Z")

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Hello,

I need to use some methods in Radius Tags and one of my Controllers.  
I created a method after my tags definitions and access it from my tags,  
it’s working.  
I saw the tags are send to the Page model. So I can’t access to them  
from my controller.  
How could I create a common library which is accessible from anywhere  
(including Radius Tags) ?

Thanks,  
Vincent