llReadKeyValue

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/LSL

ReadKeyValue

llReadKeyValue

Summary

Function: key llReadKeyValue( string k );

?	Function ID
	Forced Delay
	Energy

Start an asynchronous transaction to read the value associated with the specified key and the specified experience.
Returns the key id of the transaction.

• string

k

–

The key for the key-value pair

The dataserver callback parameters are:

• A key containing the transaction ID returned from llReadKeyValue
• A string containing a comma-delimited list. The first item is a boolean specifying if the transaction succeeded (1) or not (0). The second item is a string with a status/error message if it failed or the value if the transaction succeeded.

Caveats

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Examples

<lsl>key trans; default {

   state_entry()
   {
       trans = llReadKeyValue("FOO");
   }

}

dataserver(key t, string value) {

   if (t == trans)
   {
       // our llReadKeyValue transaction is done
       list result = llCSV2List(value);
       if (llList2Integer(result, 0) == 1)
       {
           // the key-value pair was successfully read
           llSay(0, "New key-value pair value: " + llList2String(1));
       }
       else
       {
           // the key-value pair was not created
           llSay(0, "Key-value pair doesn't exist");
       }
   } 

}</lsl>

See Also

Functions

• llGetExperienceErrorMessage
• llCreateKeyValue
• llReadKeyValue
• llUpdateKeyValue
• llDeleteKeyValue
• llDataSizeKeyValue
• llKeyCountKeyValue
• llKeysKeyValue

Deep Notes

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Signature
function key llReadKeyValue( string k );