Application_helpers, gems and paypal

Hi I’m trying to use the paypal ipn gem in my app but rails can’t seem
to find it. I installed using gems and it is listed as being installed.
I followed the documenation and put include Paypal::Helpers in my
application_helpers.rb but as soonas i try to use <%= paypal_form_tag
%> i get

undefined local variable or method `paypal_form_tag’ for
#<#Class:0xb76ffa40:0xb76ff964>

Extracted source (around line #24):

23:
24: <%= paypal_form_tag %>

Is there something else i have to do in my rails app to use a gem? I
restarted my server, not sure what else to do…

any ideas?

c

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