Tizen Developers

hello

soi want to writ a txt fil under data folder of my application

    var documentsDir;
    function onsuccess(files) {
    for(var i = 0; i < files.length; i++) {
    console.log("File Name is " + files[i].name);
    }
     
    var testFile = documentsDir.createFile("test.txt");
     
    if (testFile != null) {
    testFile.openStream(
    "w",
    function(fs){
    fs.write("HelloWorld");
    fs.close();
    }, function(e){
    console.log("Error " + e.message);
    }, "UTF-8"
    );
    }
    }
     
    function onerror(error) {
    console.log("The error " + error.message + " occurred when listing the files in the selected folder");
    }
     
    tizen.filesystem.resolve(
    '/opt/apps/PnFOsrPQuo.test/data/'
            ,
    function(dir){
    documentsDir = dir;
    dir.listFiles(onsuccess, onerror);
    }, function(e){
    console.log("Error" + e.message);
    }, "rw"
    );

but i get Location not found

i tried

/opt/apps/PnFOsrPQuo.test/data/

/opt/apps/PnFOsrPQuo/data/

/opt/usr/apps/PnFOsrPQuo.test/data/

/opt/usrapps/PnFOsrPQuo/data/

but nothing seem to work