token-line" style="color:#393A34"><span class="token plain">  </span><span class="token property" style="color:#36acaa">&quot;customMetadata&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"> </span><span class="token comment" style="color:#999988;font-style:italic">//set metadata (merge with automatic metadata) for API key</span><span class="token plain"></span><br>