> [!NotifyBuffer] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_lwlock_notify_buffer.png"></td><td><b>Wait Category</b></td><td>LWLock</td></tr><tr><td><b>Mechanism</b></td><td><code>NotifyBufferLock</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/Other/FunctionScan">FunctionScan</a></td></tr><tr><td><b>Resources</b></td><td><a href="Resources/RAM">Memory</a>, <a href="Resources/CPU">CPU</a></td></tr><tr><td colspan="3">Contention on a <b>Specific Notification Data Page</b>. In the <code>LISTEN/NOTIFY</code> system, messages are stored in a circular buffer in shared memory.</td></tr></table>