an><span class="token operator">: </span><a href="https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html">Boolean</a></div><p class="paragraph">Necessary only one time before start stream or record. If you want change values stop stream and record is necessary.</p><span class="kdoc-tag"><h4 class="">Return</h4><p class="paragraph">True if success, False if failed</p></span><h4 class="">Throws</h4><div class="table"><div class="table-row" data-filterable-current=":library:dokkaHtmlPartial/r