cified custom data.</p></div><div class="symbol monospace"><span class="token keyword"></span><span class="token keyword">fun </span><a href="custom-data.html"><span class="token function">customData</span></a><span class="token punctuation">(</span>key<span class="token operator">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html">String</a><span class="token punctuation">, </span>value<span class="token operator">: </span><a href="https://kotlinlang.org/api/latest/jvm