With the special date special price function, you can set a special price for items on any date.
Click on the toolbar button in the lower left corner on the homepage of ZiiPOS.
Go to “Settings.”
Click the button like the one circled in the picture and find a selection named “profile”.
Drop down and click on “Modify.”
Drop back the page and then turn on the “Specail Date Special Price” button to set a name and a date range for it.
Click on “Save” and click on “Yes” to save.
Go back to the homepage and log out of ZiiPOS then log in again to make sure your settings take effective.
Note: this article is about how to enable the special date special price function. You can refer to the link below to check how to set special price for an item.