code: def save(self, response_choice=None, async=False, callback=None):
          
          return self._manage_child_object(nurest_object=self, method=HTTP_METHOD_PUT, async=async, callback=callback, response_choice=response_choice)
docs: Update object and call given callback in case of async call
  
              Args:
                  async (bool): Boolean to make an asynchronous call. Default is False
                  callback (function): Callback method that will be triggered in case of asynchronous call
  
              Example:
                  >>> entity.name = "My Super Object"
                  >>> entity.save() # will save the new name in the server