Sending SMS messages helps you drive growth by engaging subscribers on mobile devices in a personalized way. We highly suggest that you read the content guidelines before creating your SMS campaigns to know the content characteristics and important points.
You can create three different types of messages using SMS:

Single SMS Message
A single SMS enables you to send your content to your target audience in accordance with the aim of your campaign.
Cart Reminder SMS Message
Cart Reminder SMS enables you to reach out to the cart abandoners. So, you can increase your ROI thanks to automated SMS messages.
Welcome SMS Message
Welcome SMS lets you send a welcome message to your new recipients when they opt in.