html">MQTTProperty</a> *</td>          <td class="paramname"><span class="paramname"><em>prop</em></span>&#160;)</td>
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<span class="mlabels"><span class="mlabel extern">extern</span></span>  </td>
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<p>Add a property pointer to the property array. Memory is allocated in this function, so MQTTClient_create or MQTTAsync_create must be called first to initialize the internal heap tracking. Alternatively <