e</span><span class="mlabel">virtual</span></span>  </td>
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<p>Set a property of this contact model from a JSON object. </p>
<p>Given a JSON object representing a named property of this contact model, this method reads the value of the property and updates the state of the object accordingly. This is a pure virtual method that must be implemented by any subclass of <code><a class="el" href="classnetdem_1_1_contact_model.html" title="An abstract base class for conta