# Send SMS

The Send SMS action sends an automated text message when your workflow runs. This is great for time-sensitive alerts, appointment reminders, or quick customer follow-ups where email might go unread.

Your system needs to have an SMS provider configured (like Twilio or another service) before this action will work. Ask your system administrator if you are not sure whether SMS is set up.

## Steps

1. **Drag a "Send SMS" action onto the canvas** — Find it in the actions section of the left sidebar.
2. **Click the block to configure it.**
3. **Set the phone number(s)** — Enter the phone number to text. You can type a number directly or use a dynamic field to pull it from the record. Separate multiple numbers with commas.
4. **Write the message** — Keep it short and clear. Text messages have character limits. You can use dynamic fields just like in emails (e.g., "Hi {{customer\_name}}, your order {{name}} is ready for pickup.").
5. **Set a sender name (optional)** — Some SMS providers let you set a sender name so the customer knows who the text is from.
6. **Connect the block** — Draw a line from the previous block to this one.

## Tips

* Keep text messages under 160 characters when possible. Longer messages may be split into multiple texts.
* Make sure phone numbers include the country code (e.g., +1 for US numbers).
* Test your workflow before activating to make sure the text goes through.

## Related pages

* [What Are Actions?](/workflow-automation/workflow-builder/actions.md)
* [Send Email](/workflow-automation/workflow-builder/actions/send-email.md)
* [Sales Workflows (Recipes)](/workflow-automation/workflow-builder/recipes/sales-workflows.md)


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