> For the complete documentation index, see [llms.txt](https://docs.absolutelabs.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.absolutelabs.io/features/flows/channels/sms.md).

# SMS

> **Note:** You will need to upload your phone/wallet pairs before the flow can be functional. Please reach out to your Customer Success manager to assist with that process.

## Enablement

1. Go to the Flows module.
2. Drag and drop the SMS block into your flow and click on the ‘Edit’ icon.
3. Enter the message. Message limit: 160 characters. 
4. Save the block. 

> **Note:** All messages will be sent from the following number: 
>
> ```
> +18313043477
> ```