CRM 2011 - ParticipationTypeMask Değerleri

Activity party type	Value	Description
Sender- From	1	Specifies the sender.
ToRecipient - To	2	Specifies the recipient in the To field.
CCRecipient -CC	3	Specifies the recipient in the Cc field.
BccRecipient -BCC	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.
Partner	12	Specifies a partner.