don't work component in html in mashup

[almirafo]

Hello, everyone. 

I'm developing a mashup in qlik sense and I put tag <div id='QV01' class= 'qvplaceholder'></div> . When I go to preveiw mode em drag App object, this object don´t show into mashup . 

Anybody knows what happened.

Code after draged objects

<div class="container">
<div class="row">
<div class="col-sm-4">
<h3>Total Campanhas MCS</h3>
<div class="qvobject" id="QV01">

</div>

</div>
<div class="col-sm-4">
<h3>Carregado MO</h3>
<div class="qvobject" id="QV02">

</div>

</div>
<div class="col-sm-4">
<h3>Carregado GCM</h3>
<div class="qvobject" id="QV03">

</div>

</div>
</div>
</div>

-------- js -------

var app = qlik.openApp('00749709-12f8-4819-a6c8-5c5942ab287b', config);

//get objects -- inserted here --
app.getObject('QVLDGCM','GXudr');
app.getObject('QV01','bUJTmp');
app.getObject('QV02','YFmsBX');
app.getObject('QV03','PMmP');