How to add a SMS message to a folder in Brevo

1. First click on the "Campaigns" item in the left sidebar menu
2. Then click on the "SMS" tab in the main content area
3. Next click the "options" menu next to the "Testing Message" campaign
4. From the dropdown menu, select the "Add to folder" option
5. In the "Add to a folder" modal window, click on the "Testing Campaign" folder
6. Finally click the "Add" button in the modal window to confirm adding the campaign to the selected folder