NameDescriptionTypeAdditional information
ToPersonIds

PersonIds in the To field

Collection of integer

None.

BccPersonIds

PersonIds in the Bcc field

Collection of integer

None.

ReplyToMessageId

If set, the message is a reply to this MessageId

integer

None.

ForwardToMessageId

If set, the message is a forward of this MessageId

integer

None.

Subject

The subject of the message

string

None.

Text

The text of the message

string

None.