- Go to a message and go to message.
- Under advanced settings, tick expiration.
- Select an expiration date or lay down the time frame within which you want the message to be active.
If you select data, please note that the message will expire when the date starts. So if you select date: august 6th, the message will expire on august 5th at 23.59.
If you select a time frame, please note that you have to set the days and hours from a particular date. By default, this date will accord with the message creation date, and can be changed by clicking on reset.