code: def to_api_data(self):
          
          data = {'@odata.type': self._gk(
              '{}_attachment_type'.format(self.attachment_type)),
              self._cc('name'): self.name}
  
          if self.attachment_type == 'file':
              data[self._cc('contentBytes')] = self.content
          else:
              data[self._cc('item')] = self.content
  
          return data
docs: Returns a dict to communicate with the server
  
          :rtype: dict