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Function: key llDeleteKeyValue( string k );

Start an asynchronous transaction to delete a key-value pair associated with the script's Experience with the given key (k).
Returns a handle (a key) that can be used to identify the corresponding dataserver event to determine if this command succeeded or failed and the results.

• string k The key for the key-value pairThe key for the key-value pair

If the key does not exist the dataserver will return a failure along with the error XP_ERROR_STORAGE_EXCEPTION.

For this function to work, the script must be compiled into an Experience.



The dataserver callback parameters are:

String Components
• integer success A boolean specifying if the transaction succeeded (1) or not (0).
• integer error An XP_ERROR_* flag that describes why the operation failed.
• string value The value for the key-value pair. Maximum 2047 characters, or 4095 if using Mono. Note! This value may contain commas.


  • If you recompile a script that was previously associated with an Experience but do so with a client that lacks the ability to compile scripts into an experience the script will lose the associated Experience.
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key trans;
        trans = llDeleteKeyValue("FOO");

    dataserver(key t, string value)
        if (t == trans)
            // our llDeleteKeyValue transaction is done
            list result = llCSV2List(value);
            if (llList2Integer(result, 0) == 1)
                // the key-value pair was successfully deleted
                llSay(0, "New key-value pair was deleted");
                // the key-value pair was not deleted
                llSay(0, "Key-value failed to delete: " + llList2String(result, 1) );



For a script to be associated with an Experience...

  • It must be compiled with a client that is Experience aware,
  • The "Use Experience" checkbox must be checked,
  • And one of the users Experience keys selected.
KBcaution.png Important: Not all TPVs have this functionality.

Deep Notes

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function key llDeleteKeyValue( string k );