# Gather validates presence of from rails app

**URL:** <https://www.ruby-forum.com/t/gather-validates-presence-of-from-rails-app/103254>\
**Category:** Rails\
**Created:** [May 3, 2007, 1:55pm UTC](https://www.ruby-forum.com/t/gather-validates-presence-of-from-rails-app/103254 "2007-05-03T13:55:06Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![acras](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/f4b2a3/32.png) [@acras](https://www.ruby-forum.com/u/acras)\
**Post date:** [May 3, 2007, 1:55pm UTC](https://www.ruby-forum.com/t/gather-validates-presence-of-from-rails-app/103254/1 "2007-05-03T13:55:06Z")

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Hi,

I’ve developed an app with Rails that has near 100 models. Now I  
have to list, for each model, wich attributes are required, ie those  
that has validate\_presence\_of.  
How can I do that?

Thanx

–  
Ricardo A.  
removed\_email\_address@domain.invalid  
Acras Desenvolvimento de Sistemas  
+55+41-3232-6404  
[www.acras.net](http://www.acras.net)