[Name] delay [Required] false [Attribute Constraints] Must not occur with 'delayexpr' or when the attribute 'target' has the value "_internal". [Default Value] None [Valid Values] A time designation as defined in CSS2 [CSS2] format [Description] Indicates how long the processor should wait before dispatching the message. See E Schema for details on the data type. [Type] 
Duration.datatype
E v e n t T y p e . d a t a t y p e
V a l u e e x p r e s s i o n
U R I
v a l u e e x p r e s s i o n
x m l : I D
L o c a t i o n e x p r e s s i o n
D u r a t i o n . d a t a t y p e
L i s t o f l o c a t i o n e x p r e s s i o n s