How to add an email campaign to a folder in Brevo

1. First click on the "Campaigns" item in the left sidebar menu
2. Next click the "More options" menu button next to the "Sample Campaign" item
3. From the dropdown menu, select the "Add to folder" option
4. Then select the "Testing Campaign" folder from the list
5. Finally click the "Add" button in the bottom right corner of the modal dialog