Searchable time for monitors

docs/alerts/monitors/create-monitor.md

@@ -419,6 +419,15 @@ Collection delays may occur due to your environment and it takes a couple of min
 If your data is coming from the [Amazon CloudWatch Source for Metrics](/docs/send-data/hosted-collectors/amazon-aws/amazon-cloudwatch-source-metrics), we recommend a setting of 900 seconds.
 :::
 
+### Timestamp
+
+You can switch the **Timestamp** mode to ** Message Time** or **Searchable Time** to view and evaluate logs based on different timestamp contexts. <img src={useBaseUrl('img/alerts/monitors/timestamp-dropdown.png')} alt="select timestamp" style={{border: '1px solid gray'}} width="500"/>
+
+- **Message Time**. Returns messages based on the timestamp specified in each message.
+- **Searchable Time**. Returns messages based on the time they are indexed or become searchable in Sumo Logic.
+
+This allows you to troubleshoot ingestion delays, correlate events accurately, and monitor data using the most relevant time reference.
+
 ## Step 3. Notifications (optional)
 
 Configure who gets notified when the monitor triggers an alert. When a trigger condition is met, you can send notifications to other people and services.