The SQL Server Object Type tab allows you to specify the type of SQL Server object that should be monitored by this alert rule. You can generate alerts for objects on currently audited databases and SQL Server instances.
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Available actions
Select the object that triggers this alert
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The rule details pane also allows you to change your specified alert rule criteria at any time as you create your new alert rule. As you specify criteria using the New Event Alert Rule wizard, the rule details grows to include these additional settings. To edit previously set criteria, click the corresponding setting.