</span></div><p class="paragraph">Subscribe to data message events with <a href="../../com.amazonaws.services.chime.sdk.meetings.realtime.datamessage/-data-message-observer/index.html">DataMessageObserver</a>.</p><h4 class="">Parameters</h4><div class="table"><div class="table-row" data-filterable-current=":amazon-chime-sdk:dokkaHtmlPartial/release" data-filterable-set=":amazon-chime-sdk:dokkaHtmlPartial/release"><div class="main-subrow keyValue "><div class=""><span class="inline-flex"><div><u><span><span>