This type of ITEM is used to display a counter that decreases with time until it reaches 0. This is accomplished by defining 2 properties:

Start time: datetime when the countdown should start
End time: datetime when the countdown should end

The client application is responsible of displaying the counter based on this two values. The usual way would be to display the difference between the End time and Start time and make it decrease each second until the end time is reached-

Both "Start time" and "End time" can be expressed as a FORM FORMULAS. The expected value must have the format "yyyy-mm-dd hh:nn:ss" ("" are mandatory in the expression)

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