code: def send_message(frm=None, to=None, text=None):
      
      assert to is not None
      assert text is not None
  
      if frm is None:
          frm = settings.NEXMO_DEFAULT_FROM
  
      client = nexmo.Client(key=settings.NEXMO_API_KEY, secret=settings.NEXMO_API_SECRET)
      response = client.send_message({
          'from': frm,
          'to': to,
          'text': text
      })
      return response
docs: Shortcut to send a sms using libnexmo api.
  
      :param frm: The originator of the message
      :param to: The message's recipient
      :param text: The text message body
  
      Example usage:
  
      >>> send_message(to='+33123456789', text='My sms message body')