Period
Indication of whether or not this Custom Day defines a custom period of days (for example: quarters, fiscal year, or 4-5-4 calendar).
Custom periods can be selected in:
Date Qualifier field for Time Triggers.
Restriction Qualifier field for Time, Cron, File Monitor, Task Monitor, and Application Monitor triggers.
Note
If a Custom Day is for a specific day rather than a period, it can be selected in:
Date Noun field for Time triggers.
Restriction Noun field for Time, Cron, File Monitor, Task Monitor, and Application Monitor triggers.