Dojo. Set attribute from JSon as HTML attribute
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I have `dojox.form.CheckedMultiSelect`:

    <span dojoType="dojo.data.ItemFileReadStore" url="..." jsId="listStore"></span>
    <select id="unsubscribedList" class="soria" dojoType="dojox.form.CheckedMultiSelect" 
    multiple="true" onchange="..." store="listStore" title="title"></select>

The JSon for store looks like:

    {"items":[{"title":"ESC, MICHAEL (MESC)","value":"1000","label":"ESC, MICHAEL"},...}]
    ,"totalCount":7,"endList":7,"label":"label","identifier":"value","startList":1}

How I can set "`items.title`" attribute from JSon as HTML attribute "title" to each checkbox which will created for `CheckedMultiSelect`?