Specifies the expected value for a VariableFunction decorated with a ExtensionConfigurationVariableAttribute. This is used when validating the value in the UI.
A date data type. Only numeric dates are allowed. The time portion cannot be specified.
A double precision floating point number data type. The value is treated as a System.Double.
A 32-bit signed integer data type. The value is treated as a System.Int32.
A string data type. The value is treated as a System.String