# File vendor/rails/activeresource/lib/active_resource/custom_methods.rb, line 67
67:       def custom_method_collection_url(method_name, options = {})
68:         prefix_options, query_options = split_options(options)
69:         "#{prefix(prefix_options)}#{collection_name}/#{method_name}.xml#{query_string(query_options)}"
70:       end