The schedule interval is the period of time that is given in the scheduling order option.
To set the schedule interval in your MNASATI store follow the instruction:
1- Log in to your MNASATI store account,
2- From the Left Side Menu, from there Navigate to "Settings",
3- click on "Vendor Settings"
4- Fill the time period the suits you in the schedule interval blank and determine by hours/ minutes
5- click on save.
Note: this is how it's going to appear on your store website (1-hour example)