A calendar is used to define standard working and nonworking times. A project must have one base calendar. Tasks and resources may have their own calendars, which are based on a base calendar.
| Property | Value | 
|---|---|
| Data Type | ComplexType | 
| Minimum Occurrences | 1 | 
| Maximum Occurrences | Unbounded | 
| Default Value | N/A | 
| Abstract | False | 
| Nillable | False | 
| Element Constraints | Sequence | 
| Element | Required/Optional | Description | 
|---|---|---|
| <UID> | Required | The unique ID for the calendar. | 
| <Name> | Optional | The name of the calendar. | 
| <IsBaseCalendar> | Optional | Indicates whether the calendar is a base calendar. | 
| <BaseCalendarUID> | Optional | The unique ID for the base calendar on which this calendar depends; only used if this calendar is not a base calendar. | 
| <WeekDays> | Optional | The type of working day (a day of the week, or exception). |