><a href="https://docs.ropensci.org/datapack/reference/addMember.html">addMember</a></span><span class="op">(</span><span class="va">dp</span>, <span class="va">outputObj</span>, mo<span class="op">=</span><span class="va">metadataObj</span><span class="op">)</span></code></pre></div>
<p><em>Important Note</em>: files previously uploaded to DataONE can be added to the DataPackage, for more information see the section “Adding Existing DataONE Files To A Package”.</p>
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<div id="determine-what-access