def reply(self, original_headers, message, properties=None):
		"""
		Reply to a RPC request. This function will use the default exchange, to directly contact the reply_to queue.

		Parameters
		----------
		original_headers: dict
			The headers of the originating message that caused this reply.
		message: string
			Message to reply with
		properties: dict
			Properties to set on message. This parameter is optional, but if set, at least the following options must be set:
				content_type: string - what content_type to specify, default is 'text/plain'.
				delivery_mode: int - what delivery_mode to use. By default message are not persistent, but this can be
					set by specifying PERSISTENT_MESSAGE .
		"""
		rpc_reply(self.channel, original_headers, message, properties)