Redmine/lib/generators/redmine_plugin/templates/init.rb.erb

require 'redmine'

Redmine::Plugin.register :<%= plugin_name %> do
  name '<%= plugin_pretty_name %> plugin'
  author 'Author name'
  description 'This is a plugin for Redmine'
  version '0.0.1'
  url 'http://example.com/path/to/plugin'
  author_url 'http://example.com/about'
end