code: def find_by_id(self, attachment, params={}, **options): 
          
          path = "/attachments/%s" % (attachment)
          return self.client.get(path, params, **options)
docs: Returns the full record for a single attachment.
  
          Parameters
          ----------
          attachment : {Id} Globally unique identifier for the attachment.
          [params] : {Object} Parameters for the request