public String getSessionDuration() {
        return this.sessionDuration;
    }
<p>
The length of time that the application user sessions are valid for in the ISO-8601 standard.
</p>

@return The length of time that the application user sessions are valid for in the ISO-8601 standard.
aws-java-sdk-ssoadmin/src/main/java/com/amazonaws/services/ssoadmin/model/PermissionSet.java