@Dominic: Have you not tried `delay_warning_time_minutes = 15` as the quoted documentation specifies?
> delay_warning_time_suffix > Expands into the value of the > delay_warning_time parameter, expressed in the > time unit specified by suffix, which is one of > seconds, minutes, hours, days, or weeks. It means that the following are all valid parameters: - delay_warning_time_seconds - delay_warning_time_minutes - delay_warning_time_hours - delay_warning_time_days - delay_warning_time_weeks Regards, Jivan
