> For the complete documentation index, see [llms.txt](https://docs.yaycommerce.com/bookster/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yaycommerce.com/bookster/~/revisions/5Kg2eXV3ylfjiZsmzOLG/addons/twilio-sms.md).

# Twilio SMS

The **SMS Options** section allows you to connect Bookster with **Twilio** so the system can send SMS notifications and reminders to customers or agents.

Before using SMS Notifications or SMS Reminders, you must configure and verify your Twilio credentials here.