async def set_position(self, position, wait_for_completion=True):
        """Set window to desired position.

        Parameters:
            * position: Position object containing the target position.
            * wait_for_completion: If set, function will return
                after device has reached target position.

        """
        command_send = CommandSend(
            pyvlx=self.pyvlx,
            wait_for_completion=wait_for_completion,
            node_id=self.node_id,
            parameter=position)
        await command_send.do_api_call()
        if not command_send.success:
            raise PyVLXException("Unable to send command")
        await self.after_update()