For sending SMS you need to have at least 1 phone number element in your form.
You can select any number of submissions and can send an SMS to those submissions.
Here's how to send an SMS as a response
Go to the Submissions page and select the submissions you want to respond to.
Click on the
Take actiondropdown button in the subheader.
Send SMSoption from the dropdown, which will open a form in a pane.
Select a predefined SMS template or compose an SMS from the pane.
Sendto send the response SMS to all submissions having a valid phone number.
⚠️ For sending SMS, ensure that you have enabled Twilio integration.