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Create an SMS Message

SMS messages in Diobox allow organizers to quickly communicate with guests using personalized text messages, reminders, confirmations, QR codes, and event updates.

This article covers how to create an SMS message, customize the content, select recipients, and preview messages before sending.

In This Article


Create a New SMS Message

To create an SMS message, go to the Texts page and click the + Text Message dropdown in the upper-right corner.

Select New SMS Message.

This opens the SMS Template Browser.


Choose a Template

The SMS Template Browser includes pre-built templates organized by purpose, including:

  • Invitations

  • RSVP Reminders

  • Registration Reminders

  • Data Collection

  • Event Updates

  • Confirmations

  • QR Code Distribution

Each template includes a preview and description explaining its intended use.

Select the template you want and click Create.

Templates provide a starting point and can always be customized after creation.


Prepare Your SMS Message

After selecting a template, the message opens in the SMS Message Editor.

The editor allows you to type freely and personalize messages using Merge Tags and Registration Forms.

Merge Tags

Merge Tags automatically insert guest-specific information into each SMS message at the time of sending.

Available Merge Tags include:

  • First Name

  • Full Name

  • Email Address

  • Company

  • Title

  • Seating Details

  • Confirmation Status

  • Confirmation URL

  • QR Code Page
    ​

Registration Forms

You can insert Registration Forms directly into an SMS message. Each guest receives a personalized version of the form link automatically.

SMS Message Limitations

SMS messages support plain text only and have several important limitations:

  • Maximum message length of 290 characters

  • No images or attachments

  • No bold formatting or rich text styling


Select Recipients

Recipients can be filtered using event and guest criteria including:

  • Confirmation Status

  • Guest Lists

  • Seating Assignments

  • Check-In Status

  • Registration Status

  • Custom Segments

Custom Segments allow you to build advanced recipient filters using multiple guest conditions and rules.

Once recipients are selected, Diobox automatically displays the total number of guests with valid phone numbers so you can review how many SMS messages will be sent.


Preview and Send a Test Message

Before sending the message, preview the SMS as a guest to verify that personalization and merge tags display correctly.

You can also send a test message to your own phone number to review the final appearance and behavior of the SMS message on a real device.

Once everything looks correct, send the SMS message to recipients.

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