input: [Attribute] RecipientIds [Writeable] Yes [Required] No [Description] An array of Account or Contact IDs for the recipients of the message. Only populated if the current user is the message sender. [Data Type] 
output: CharacterList
options: C h a r a c t e r
options: T i m e s t a m p
options: B o o l e a n
options: C h a r a c t e r L i s t
options: E x p a n s i o n