Event Logs
Use event logs to:
- View the changes of status and state of the monitored objects
- See the notifications sent and their recipients.
To view the event logs, go to Monitoring > Event logs.

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In the upper menu, select the hosts and/or the services you want to view logs for. You can also filter by servicegroup or hostgroup. 
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Select the options you want in sections Message Type and Status to display the corresponding events. 
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Use the following fields to define the time period for which you want to display events: - Log Period: select predefined time periods
- From/To: enter specific dates.
 
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You can export the result in CSV or XML format using the export buttons above the list, to the right: