input: [Attribute] SenderId [Writeable] Yes [Required] No [Description] Used when the sender will not be the current user. Supported only for IDX roles when a contact not logged in to their VOW account wishes to contact their agent. [Data Type] 
output: Character
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