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# lr.paramarrRandom

Returns the value of the parameter at a random location in a parameter array

String and Parameter Functions

## Syntax

    lr.paramarrRandom( paramArrayName );

## Arguments

Argument | Comments
--- | ---
paramArrayName | The name of the parameter array.

lr.paramarrRandom returns a string containing the value of the parameter in a parameter array. The value is returned from the parameter at a position chosen randomly.

## Return Values

A string buffer containing the value. On error, returns NULL.

## Parameterization

Standard parameterization is not available for this function.

See Also

## Example

       web.regSaveParam({name : 'outFlightVal',
         lb:'outboundFlight value',
         rb:'>',
         ord:'ALL',
         saveLen:'18'}
       );

       web.submitForm({name : 'reservations.pl',
         snapshot:'t4.inf',
         itemData :[{name:'depart',value:'London'},
             {name:'departDate',value:'11/20/2003'},
             {name:'arrive',value:'New York'},
             {name:'returnDate',value:'11/21/2003'},
             {name:'numPassengers',value:'1'},
             {name:'roundtrip',value:'<OFF>'},
             {name:'seatPref',value:'None'},
             {name:'seatType',value:'Coach'},
             {name:'findFlights.x',value:'83'},
             {name:'findFlights.y',value:'16'}
           ]}
       );

       /*

       The result of regSaveParam having been called before the form submit is:
       Notify: Saving Parameter "outFlightVal_1 = 230;378;11/20/2003"
       Notify: Saving Parameter "outFlightVal_2 = 231;337;11/20/2003"
       Notify: Saving Parameter "outFlightVal_3 = 232;357;11/20/2003"
       Notify: Saving Parameter "outFlightVal_4 = 233;309;11/20/2003"
       Notify: Saving Parameter "outFlightVal_count = 4"
       */

       var flightVal = lr.paramarrRandom("outFlightVal");

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