| Name | Type | Use | Default | Fixed | Annotation | 
| version | XmlLockVersion | required |  |  | | documentation |  | Returns the version number of the Calendar from which the entries are taken. | 
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| namespace | xs:string | optional |  |  | | documentation |  | Used to categorize, or group, named Calendars. Calendars sharing the same namespace must have unique names. A namespace of null is still considered a valid namespace. | 
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| name | xs:string | required |  |  | | documentation |  | The mandatory name of the calendar. This must be unique within the given namespace. | 
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| start | xs:dateTime | required |  |  | | documentation |  | Start date and time from which Calendar Entries are listed. This value is time-zone neutral. That is, it expresses only a value, but not the time-zone in which it applies. The time-zone will be implied from the Base Calendar on which this exclusions is placed. | 
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| end | xs:dateTime | required |  |  | | documentation |  | End date and time to which Calendar Entries are listed. This value is time-zone neutral. That is, it expresses only a value, but not the time-zone in which it applies. The time-zone will be implied from the Base Calendar on which this exclusions is placed. | 
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