# How do you use Rails Framework for classes in /lib

**URL:** <https://www.ruby-forum.com/t/how-do-you-use-rails-framework-for-classes-in-lib/105933>\
**Category:** Rails\
**Created:** [June 4, 2007, 8:20pm UTC](https://www.ruby-forum.com/t/how-do-you-use-rails-framework-for-classes-in-lib/105933 "2007-06-04T20:20:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![crenner](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/278dde/32.png) [@crenner](https://www.ruby-forum.com/u/crenner)\
**Post date:** [June 4, 2007, 8:20pm UTC](https://www.ruby-forum.com/t/how-do-you-use-rails-framework-for-classes-in-lib/105933/1 "2007-06-04T20:20:39Z")

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Hi,

I create a library class in the /lib directory. When my Rails app  
goes to use it, I get an error saying that pluralize is an unknown  
function. How can I get my library class linked into all of the Rails  
Framework?

Thanks,  
Chris