Dynamics 365活动实体ParticipationTypeMask说明

Activity Party Types

There are 11 activity party types in Dynamics 365 for Customer Engagement. The activity party type is stored as an integer value in the ActivityParty.ParticipationTypeMask attribute. The following table lists the different activity party types, the corresponding integer value for the ActivityParty.ParticipationTypeMask attribute, and the description.

Activity party type	Value	Description
Sender	1	Specifies the sender.
ToRecipient	2	Specifies the recipient in the To field.
CCRecipient	3	Specifies the recipient in the Cc field.
BccRecipient	4	Specifies the recipient in the Bcc field.
RequiredAttendee	5	Specifies a required attendee.
OptionalAttendee	6	Specifies an optional attendee.
Organizer	7	Specifies the activity organizer.
Regarding	8	Specifies the regarding item.
Owner	9	Specifies the activity owner.
Resource	10	Specifies a resource.
Customer	11	Specifies a customer.

出处:https://docs.microsoft.com/en-us/dynamics365/customerengagement/on-premises/developer/activityparty-entity?view=op-9-1