/span></h1>
    <div class="platform-hinted " data-platform-hinted="data-platform-hinted"><div class="content sourceset-dependent-content" data-active="" data-togglable=":exposed-core/main"><div class="symbol monospace"><span class="token keyword">open </span><span class="token keyword">class </span><a href="index.html">UserDataHolder</a></div><p class="paragraph">Class for storing transaction data that should remain available to the transaction scope even after the transaction is committed.</p><h4 class=""