You can send messages immediately or schedule them for a specific time and date.
To schedule:
In the Publish step, select Schedule.
Pick a date and time.
Optionally, choose Repeat campaign (daily, weekly, etc.).
To send immediately:
Select Activate campaign → Send Now.
You can update any setting on the campaign settings page, provided the campaign isn’t currently processing.
Tip:
You can see upcoming campaigns in the “Next 7 scheduled campaigns” list.