just answered my own question, type in :

yahooQF

and one can see all the options.

> Hello, having trouble using what= in the getQuote function.  
> Basically, i need to populate data for tickers with the carat sign.  
> ^VIX, ^VXN for example.
>>
>> If i run getQuote from the example in the getQuote html page, you can 
>> see the N/A for Bid and Ask.  If i run without the what command, you 
>> see it pulls in a field called LAST.  I try to add LAST to the what=, 
>> but does not return anything.  Nor does Open or High. 
>>
>> So, my question is, where do i find the legal what= commands? 
>>
>>
>> Example from help, see the N/A
>>
>> > getQuote("QQQQ;SPY;^VXN",what=yahooQF(c("Bid","Ask")))
>>               Trade Time    Bid    Ask
>> QQQQ 2009-09-15 02:37:00  41.81  41.82
>> SPY  2009-09-15 02:37:00 105.65 105.66
>> ^VXN 2009-09-15 02:37:00    N/A    N/A
>>
>>
>> Without what=
>>
>> > getQuote("^VXN")
>>                Trade Time  Last Change % Change  Open  High   Low Volume
>> ^VXN 2009-09-15 02:38:00 24.57  -0.36   -1.44% 25.05 25.18 24.41      0
>>
>> Trying to find other commands for what, like High or Low, but no 
>> avail, but it exists from looking at the result above.
>>
>> > getQuote("^VXN",what=yahooQF(c("High","Low","Bid")))
>>               Trade Time Bid
>> ^VXN 2009-09-15 02:43:00 N/A
>>
>>
>>
>>

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