The review checklist notifies you of any issues with your scheduled SMS campaign so you can correct them before you send.
If there are any issues that have been identified within your campaign, you will be able to return to the appropriate stage of the setup process and make any required adjustments.
Each section of your campaign will have one of three different icons located next to it:
Once all sections of the review checklist have a green icon (or a yellow icon) next to them, you will be able to complete the setup process and schedule your campaign or send it immediately.