    # File lib/fog/aws/requests/cdn/post_invalidation.rb, line 29
            def post_invalidation(distribution_id, paths, caller_reference = Time.now.to_i.to_s)
              body = '<?xml version="1.0" encoding="UTF-8"?>'
              body << "<InvalidationBatch>"
              for path in [*paths]
                body << "<Path>" << path << "</Path>"
              end
              body << "<CallerReference>" << caller_reference << "</CallerReference>"
              body << "</InvalidationBatch>"
              request({
                :body       => body,
                :expects    => 201,
                :headers    => {'Content-Type' => 'text/xml'},
                :idempotent => true,
                :method     => 'POST',
                :parser     => Fog::Parsers::CDN::AWS::PostInvalidation.new,
                :path       => "/distribution/#{distribution_id}/invalidation"
              })
            end