Requested Types

	Value
REQUEST_VALUE_TYPE_BOOLEAN	0
REQUEST_VALUE_TYPE_INTEGER	1
REQUEST_VALUE_TYPE_FLOAT	2
REQUEST_VALUE_TYPE_STRING	3
REQUEST_VALUE_TYPE_POSE	4
REQUEST_VALUE_TYPE_JOINTVECTOR	5
REQUEST_VALUE_TYPE_WAYPOINT (UNUSED)	6
REQUEST_VALUE_TYPE_EXPRESSION (UNUSED)	7
REQUEST_VALUE_TYPE_NONE (*)	8

(*) If the 'requestedType' is set to the value 8, then it is a 'PopupMessage' type.