amDescriptor:<a href="descriptors/StreamDescriptor.html">StreamDescriptor</a>):void</code><p>
   Initiates a new stream of a given type from the current client or else requests 
   another user to begin publishing.
    
   </p><span class="label">Parameters</span>
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<td width="20px"></td><td><code><span class="label">p_streamDescriptor</span>:<a href="descriptors/StreamDescriptor.html">StreamDescriptor</a></code> &mdash; The streamDescriptor which is bei