declarative authorization - rails - declarative_authorization permitted_to not working correctly -

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i trying use permitted_to hide/show links in 1 of forms not appearing.

the form belongs assignments actual edit function candidates.

<% if permitted_to? :edit, @candidate %> <%= link_to 'edit', edit_candidate_path(@candidate) %> <% end %>

i can navigate page url know not authorization issue.

any ideas ?

thanks, alex

sorry, found in documentation!

<%= link_to 'edit', edit_contact_path(contact) if permitted_to? :update, contact %>

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