'Contact Name'
'Contact Phone Number'
'Target Group'
Create your target groups in the ‘Target Group’ column.
Connect your Google account and select your spreadsheet in the next step.
Select the 'New row' trigger.
Add a 'Find rows' action.
Select the 'Target Group' and 'Phone Number' columns.
Add a 'Send SMS' action.
Enter the phone numbers of your group members in the 'Phone Number' field.
Enter the message you want to send in the 'Message' field.
You could use this template to send out reminders to a group of people. For example, you could add a new row to your Google Sheet with the following information:
'Contact Name': John
'Contact Phone Number': +1 2345 6789
'Target Group': Group 1
The message you enter in the 'Message' field will be sent to John's phone number.