There are many ways to communicate with your volunteers through GivePulse and one of which is through SMS. Contact the GivePulse support team at firstname.lastname@example.org to learn more and to turn on this add-on feature.
Then, check out how to use SMS below!
Messaging Registrants via SMS Text Messaging
1. Go to your Admin dashboard and select Events > Manage Registrations. You can also select a specific event's registrants.
2. Click the blue Actions button and then Text Registrants
3. Type your message and click the Send Text Messages button.