Field Minimum (validation)

The answer can be validated with these rules:

Type	Validation
Text	Length of the text is within minimum and maximum (validation)
Integer	The value is within minimum and maximum (validation)
Decimal	The value is within minimum and maximum (validation)
Option	The number of selected options should be within minimum and maximum (validation)
Date	The date is within today shifted by the minimum and today shifted by the maximum. Eg. -1 means yesterday and 2 means the day after tomorrow
Time	The time is within the mininum and maximum. Enter the value as a decimal value HH.MM (specify as 24H format, but shown to user as users local format). Eg. 13.20 means 01:20PM
Date and time	The date is within today shifted by the minimum and today shifted by the maximum. Eg. -1 means yesterday and 2 means the day after tomorrow. For minimum the time 00:00 (00:00AM) is applied and for maximum 23:59:59 (12:00PM) is applied

If both Minimum and Maximum are blank, a question is considered optional. This is used by the field Allow skip optional questions on the questionnaire table.