public void setLastUpdatedAt(java.util.Date lastUpdatedAt) {
        this.lastUpdatedAt = lastUpdatedAt;
    }
<p>
The last time the tunnel was updated.
</p>

@param lastUpdatedAt
       The last time the tunnel was updated.
aws-java-sdk-iotsecuretunneling/src/main/java/com/amazonaws/services/iotsecuretunneling/model/Tunnel.java