<a href="reference/Authenticate.html">Authenticate</a></span><span class="op">(</span><span class="st">"youtube"</span>, apiKey <span class="op">=</span> <span class="st">"xxxxxxxxxxxxxx"</span><span class="op">)</span></span></code></pre></div>
<p>Once the key is set then <code>Collect</code> can be used to collect the comments from specified youtube videos. The following example collects a maximum of 100 top-level comments and all replies from each of the 2 specified video ID’s. It produces a dataframe 