[Name] type [Required] false [Type] Value expression [Default Value] 'scxml' [Description] A value expression which returns a character string that specifies the type of the message target. See 8.3 Legal Data Values and Value Expressions for details. Values defined by the specification are: scxml. See G SCXML Event I/O Processor for details. basichttp. See H Basic HTTP Event I/O Processor for details. [Valid Values] 
Any value expression that evaluates to a string.