This parameters template demonstrates sending a SMS message directly to a phone number with the Publish SNS Message action:

Send SMS Message parameters example

{
  "PhoneNumber": "+61.1234567890",
  "Message": "Automation with AWS: $event.simpleName with trace ID $event.traceId triggered at $event.timestamp",
  "MessageAttributes": {
    "AWS.SNS.SMS.SenderID": {
      "DataType": "String",
      "StringValue": "Utoolity"
    }
  }
}