api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getAuthContextID</span><wbr><span class="parameters">(<a href="../MessageInfo.html" title="interface in jakarta.security.auth.message">MessageInfo</a>&nbsp;messageInfo)</span></div>
<div class="block">Get the authentication context identifier corresponding to the request and response objects encapsulated in
 messageInfo.</div>
<dl class="notes">
<dt>Parameters: