Calendar entities

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06/29/2017

Applies To: Dynamics CRM 2013

For Microsoft Dynamics CRM Online Spring ‘14 and Microsoft Dynamics CRM 2013 Service Pack 1 (SP1), the calendar entity is used to store data for customer service calendars and holiday schedules in addition to business. Each calendar is set for a specific time zone.

A calendar describes the availability of a service or a resource. Calendars are related to calendarrule records, which include details about the duration, start and end times, and recurring patterns of events included in the calendar.

There are two types of calendar rules in Microsoft Dynamics CRM:

Root: A calendar rule that contains an inner calendar or that has nested (leaf) rules. You can specify an inner calendar for a root calendar rule by using the CalendarRule.InnerCalendarId attribute. The attribute value of CalendarRule.InnerCalendarId of a root rule is the same as the attribute value of CalendarRule.CalendarId of its leaf rules.
Leaf: A calendar rule that doesn’t contain an inner calendar, and therefore, is the end of the "branch."

Calendar rules are ordered, or ranked, to describe their precedence, and rules can overlap. The nested rules expansion defines the time span, or extent, of a rule. You can use the CalendarRule.ExtentCode attribute to define how rule expansion overlap is handled, for example, whether both time span or extent of a rule are shown or if only one is included. These features provide for recurrence patterns, for example, different shift schedules for winter and summer months in a single service calendar.

A calendar can be a complex tree of rules and nested calendars that represent a high-level abstraction of the work schedule. The calendar entity supports the ExpandCalendarRequest message to convert to a simple view, which is an array of time blocks that determine availability over specific ranges.