1	boolean	0 or 1 only
2	integer	only integer values e.g. 2,4,6
3	double	double or integer values
4	double with scale	double or integer values with an optional scale like pico, micro (u), milli, kilo, mega, giga
5	complex	complex or double or integer values
6	string	any string values
7	yesno	a yes (y) or no (n) value
8	filename	a file for reading or writing
9	vector of booleans	a 1-D array of specified datatype
10	vector of integers	
11	vector of doubles	
12	vector of doubles with scale	
13	vector of complexes	
14	vector of strings	
15	vector of yesnoes	
16	vector of filenames	
17	array of booleans	a 2-D array of specified datatype
18	array of integers	
19	array of doubles	
20	array of doubles with scale	
21	array of complexes	
22	array of strings	
23	array of yesnoes	
24	array of filenames