# Send: SMS

Using the **Send: SMS** node, a Flow can send an SMS message to either a user or a specific phone number.

<figure><img src="https://3356808761-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEBQHGJABNTj5ISSOTRxM%2Fuploads%2FTFGon5tAjJbRtOEEnBB3%2Fimage.png?alt=media&#x26;token=90c0699e-c001-4fc3-b5a9-257c5d05d2ed" alt=""><figcaption></figcaption></figure>

| Property     | Description              | Explanation                                                                        |
| ------------ | ------------------------ | ---------------------------------------------------------------------------------- |
| Message      | The message body         | Can contain [variables](https://manuals.dialox.ai/studio/flows/variables)          |
| Phone number | The recipient of the SMS | When this field is left blank, it will use the user's phone number in `user.phone` |

{% hint style="info" %}
Note that sending SMS using the platform will incur costs that will be invoiced.
{% endhint %}

## Resources

* [variables](https://manuals.dialox.ai/studio/flows/variables "mention")