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.
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Go to “Settings.”
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Click the button like the one circled in the picture and find a selection named “profile”.
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Drop down and click on “Modify.”
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Drop back the page and then turn on the “Specail Date Special Price” button to set a name and a date range for it.
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Click on “Save” and click on “Yes” to save.
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Go back to the homepage and log out of ZiiPOS then log in again to make sure your settings take effective.
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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.