lib/amazon_flex_pay/pipelines.rb
def multi_use_pipeline(caller_reference, return_url, options = {})
      cbui MultiUse.new(options.merge(:caller_reference => caller_reference, :return_url => return_url))
    end
def multi_use_pipeline(caller_reference, return_url, options = {})
      cbui MultiUse.new(options.merge(:caller_reference => caller_reference, :return_url => return_url))
    end
Creates a pipeline that will authorize you to send money _from_ the user multiple times.

 This is also necessary to create sender tokens that are valid for a long period of time, even if
 you only plan to collect from the token once.

 See http://docs.amazonwebservices.com/AmazonFPS/latest/FPSAdvancedGuide/MultiUsePipeline.html