Can't send array from CEP panel to JSX

I am not abel to send a array between JS and JSX in my CEP panel using JSON.stringify. The JSX function doeasnt get called at all. The alert below doesn't come through.

If i don't use JSON.stringify the array gets send not as an array but just comma seperated vaules. The array structure is lost.

My JS function

function generateList() {
  var ruleData = [["filename","doesntcontain","kkk"], ["clipname","doesntcontain","kkk"]]
  var andor = "and";
  if (document.getElementById("andor-select2").checked) {
    andor = "or"
  }
  
  if (ruleData === "Error") {
    return;
  }
  var ruleDataStr = JSON.stringify(ruleData)
  console.log(ruleDataStr)
  var csInterface = new CSInterface();
  csInterface.evalScript('searchTimeline("' + ruleDataStr + '", "' + andor + '")')
}

 My JSX function

function searchTimeline (ruleData, andor) {
    alert("here")}

Any suggestions?