ion.</p><p class="paragraph">Callback <code class="lang-kotlin">fn</code> receives a request String, which is a JSON array of all the arguments passed to the JS function and returns <code class="lang-kotlin">Unit</code>,<code class="lang-kotlin">String</code> or <code class="lang-kotlin">Pair&lt;String,Int&gt;</code>.</p><h2 class="">Parameters</h2><div data-togglable="Parameters"><div class="table" data-togglable="Parameters"><div class="table-row" data-filterable-current=":dokkaHtml/commonMain" data-filte