Panel container

Source code: Survey setup
Survey.defaultBootstrapCss.navigationButton = "btn btn-primary";
Survey.Survey.cssType = "bootstrap";
var survey = new Survey.Model({
 "pages": [
  {
   "name": "page1",
   "elements": [
    { "type": "rating", "name": "satisfaction", "title": "How satisfied are you with the Product?", "mininumRateDescription": "Not Satisfied", "maximumRateDescription": "Completely satisfied" },
    {
     "type": "panel", "innerIndent": 1, "name": "panel1", "title": "Please, help us improve our product", "visibleIf": "{satisfaction} < 3",
     "elements": [
        { "type": "checkbox", "choices": [ { "value": "1", "text": "Customer relationship" }, { "value": "2", "text": "Service quality" }, { "value": "3", "text": "Support response time" } ], "name": "What should be improved?" },
        { "type": "comment", "name": "suggestions", "title":"What would make you more satisfied with the Product?" }
     ]
    }
   ]
  }
 ]
});
survey.data = {satisfaction: 2};

function onAngularComponentInit() {
    Survey.SurveyNG.render("surveyElement", {model:survey});
}
var HelloApp =
    ng.core
        .Component({
            selector: 'ng-app',
            template: '<div id="surveyContainer" class="survey-container contentcontainer codecontainer">' +
            '<div id="surveyElement"></div></div>'
        })
        .Class({
            constructor: function() {
            },
            ngOnInit: function() {
                onAngularComponentInit();
            }
        });
document.addEventListener('DOMContentLoaded', function() {
    ng.platformBrowserDynamic.bootstrap(HelloApp);
});

Title: default is empty.

survey.pages[0].elements[1].title = yourTitle; survey.render();

Inner Indent: default is 1.

survey.pages[0].elements[1].innerIndent = yourTitle; survey.render();