Embedding video recorder in a Custom Component

I need to integrate a video recorder component in my Retool Apps. I first integrated a simple Ziggeo recorder using IFRAME components. It worked perfectly. Then I need to implement more stuff, adding a specific title to each video, receive events from the recorders etc... That's why I wanted to use Custom Component in Retool instead of Iframe. And things got complicated there.

I always get a Not Allowed / Permission denied errors. I activated allow mic and cam in settings. When I inspects allow parameters are here. Still get the errors.

I thought the problem came from Ziggeo, so I simply implemented the most basic recorder myself using a working example from mozzila: Recording a media element - Web APIs | MDN

Same error.

Here is the code inside the component:

        <style type="text/css">
            body {
              padding: 0;
              margin: 0;

            svg:not(:root) {
              display: block;

            .playable-code {
              background-color: #f4f7f8;
              border: none;
              border-left: 6px solid #558abb;
              border-width: medium medium medium 6px;
              color: #4d4e53;
              height: 100px;
              width: 90%;
              padding: 10px 10px 0;

            .playable-canvas {
              border: 1px solid #4d4e53;
              border-radius: 2px;

            .playable-buttons {
              text-align: right;
              width: 90%;
              padding: 5px 10px 5px 26px;
        <style type="text/css">
            body {
  font: 14px "Open Sans", "Arial", sans-serif;

video {
  margin-top: 2px;
  border: 1px solid black;

.button {
  cursor: pointer;
  display: block;
  width: 160px;
  border: 1px solid black;
  font-size: 16px;
  text-align: center;
  padding-top: 2px;
  padding-bottom: 4px;
  color: white;
  background-color: darkgreen;
  text-decoration: none;

h2 {
  margin-bottom: 4px;

.left {
  margin-right: 10px;
  float: left;
  width: 160px;
  padding: 0px;

.right {
  margin-left: 10px;
  float: left;
  width: 160px;
  padding: 0px;

.bottom {
  clear: both;
  padding-top: 10px;

        <title>Recording a media element - Example_of_recording_a_media_element - code sample</title>
            <p>Click the "Start" button to begin video recording for a few seconds. You can stop
   the video by clicking the creatively-named "Stop" button. The "Download"
   button will download the received data (although it's in a raw, unwrapped form
   that isn't very useful).

<div class="left">
  <div id="startButton" class="button">
  <video id="preview" width="160" height="120" autoplay muted></video>

<div class="right">
  <div id="stopButton" class="button">
  <video id="recording" width="160" height="120" controls></video>
  <a id="downloadButton" class="button">

<div class="bottom">
  <pre id="log"></pre>

                let preview = document.getElementById("preview");
let recording = document.getElementById("recording");
let startButton = document.getElementById("startButton");
let stopButton = document.getElementById("stopButton");
let downloadButton = document.getElementById("downloadButton");
let logElement = document.getElementById("log");

let recordingTimeMS = 5000;

function log(msg) {
  logElement.innerHTML += msg + "\n";

function wait(delayInMS) {
  return new Promise(resolve => setTimeout(resolve, delayInMS));

function startRecording(stream, lengthInMS) {
  let recorder = new MediaRecorder(stream);
  let data = [];

  recorder.ondataavailable = event => data.push(event.data);
  log(recorder.state + " for " + (lengthInMS/1000) + " seconds...");

  let stopped = new Promise((resolve, reject) => {
    recorder.onstop = resolve;
    recorder.onerror = event => reject(event.name);

  let recorded = wait(lengthInMS).then(
    () => recorder.state == "recording" && recorder.stop()

  return Promise.all([
  .then(() => data);

function stop(stream) {
  stream.getTracks().forEach(track => track.stop());

startButton.addEventListener("click", function() {
    video: true,
    audio: true
  }).then(stream => {
    preview.srcObject = stream;
    downloadButton.href = stream;
    preview.captureStream = preview.captureStream || preview.mozCaptureStream;
    return new Promise(resolve => preview.onplaying = resolve);
  }).then(() => startRecording(preview.captureStream(), recordingTimeMS))
  .then (recordedChunks => {
    let recordedBlob = new Blob(recordedChunks, { type: "video/webm" });
    recording.src = URL.createObjectURL(recordedBlob);
    downloadButton.href = recording.src;
    downloadButton.download = "RecordedVideo.webm";

    log("Successfully recorded " + recordedBlob.size + " bytes of " +
        recordedBlob.type + " media.");
}, false);

stopButton.addEventListener("click", function() {
}, false);


And here a screenshot of component settings (I basically allowed everything)