How to make a long code in Brevo

1. First click on the "Campaigns" option in the left sidebar menu
2. Next click on the "SMS" tab in the campaign type selection area
3. Then click on the "Onboarding Message Sample" item in the campaign list
4. Next click the dropdown arrow in the "Sender" section of the campaign settings
5. In the "Sender name" input field, enter a 10-digit code
6. Finally click the "Save" button at the bottom of the sender settings form