Syntax
DateTime.IsInPreviousSecond(dateTime as any) as nullable logical
Description
Indicates whether the given datetime value dateTime occurs during the previous second, as determined by the current date and time on the system. Note that this function will return false when passed a value that occurs within the current second.
Reference Data
https://docs.microsoft.com/en-us/powerquery-m/power-query-m-function-reference