diff --git a/services/preview/monitor/mgmt/2018-03-01/insights/models.go b/services/preview/monitor/mgmt/2018-03-01/insights/models.go
index 27024e6dafa9..7697beea652c 100644
--- a/services/preview/monitor/mgmt/2018-03-01/insights/models.go
+++ b/services/preview/monitor/mgmt/2018-03-01/insights/models.go
@@ -3076,8 +3076,8 @@ type LogSettings struct {
 
 // LogToMetricAction specify action need to be taken when rule type is converting log to metric
 type LogToMetricAction struct {
-	// Criteria - Severity of the alert
-	Criteria *Criteria `json:"criteria,omitempty"`
+	// Criteria - Criteria of Metric
+	Criteria *[]Criteria `json:"criteria,omitempty"`
 	// OdataType - Possible values include: 'OdataTypeAction', 'OdataTypeMicrosoftWindowsAzureManagementMonitoringAlertsModelsMicrosoftAppInsightsNexusDataContractsResourcesScheduledQueryRulesAlertingAction', 'OdataTypeMicrosoftWindowsAzureManagementMonitoringAlertsModelsMicrosoftAppInsightsNexusDataContractsResourcesScheduledQueryRulesLogToMetricAction'
 	OdataType OdataTypeBasicAction `json:"odata.type,omitempty"`
 }
diff --git a/services/preview/monitor/mgmt/2018-09-01/insights/models.go b/services/preview/monitor/mgmt/2018-09-01/insights/models.go
index a329dfd825d2..4105a49a8a46 100644
--- a/services/preview/monitor/mgmt/2018-09-01/insights/models.go
+++ b/services/preview/monitor/mgmt/2018-09-01/insights/models.go
@@ -3086,8 +3086,8 @@ type LogSettings struct {
 
 // LogToMetricAction specify action need to be taken when rule type is converting log to metric
 type LogToMetricAction struct {
-	// Criteria - Severity of the alert
-	Criteria *Criteria `json:"criteria,omitempty"`
+	// Criteria - Criteria of Metric
+	Criteria *[]Criteria `json:"criteria,omitempty"`
 	// OdataType - Possible values include: 'OdataTypeAction', 'OdataTypeMicrosoftWindowsAzureManagementMonitoringAlertsModelsMicrosoftAppInsightsNexusDataContractsResourcesScheduledQueryRulesAlertingAction', 'OdataTypeMicrosoftWindowsAzureManagementMonitoringAlertsModelsMicrosoftAppInsightsNexusDataContractsResourcesScheduledQueryRulesLogToMetricAction'
 	OdataType OdataTypeBasicAction `json:"odata.type,omitempty"`
 }
diff --git a/services/preview/monitor/mgmt/2018-11-01-preview/insights/models.go b/services/preview/monitor/mgmt/2018-11-01-preview/insights/models.go
index 681621ecaf86..155637ea04f9 100644
--- a/services/preview/monitor/mgmt/2018-11-01-preview/insights/models.go
+++ b/services/preview/monitor/mgmt/2018-11-01-preview/insights/models.go
@@ -3132,8 +3132,8 @@ type LogSettings struct {
 
 // LogToMetricAction specify action need to be taken when rule type is converting log to metric
 type LogToMetricAction struct {
-	// Criteria - Severity of the alert
-	Criteria *Criteria `json:"criteria,omitempty"`
+	// Criteria - Criteria of Metric
+	Criteria *[]Criteria `json:"criteria,omitempty"`
 	// OdataType - Possible values include: 'OdataTypeAction', 'OdataTypeMicrosoftWindowsAzureManagementMonitoringAlertsModelsMicrosoftAppInsightsNexusDataContractsResourcesScheduledQueryRulesAlertingAction', 'OdataTypeMicrosoftWindowsAzureManagementMonitoringAlertsModelsMicrosoftAppInsightsNexusDataContractsResourcesScheduledQueryRulesLogToMetricAction'
 	OdataType OdataTypeBasicAction `json:"odata.type,omitempty"`
 }
diff --git a/services/preview/monitor/mgmt/2019-03-01/insights/models.go b/services/preview/monitor/mgmt/2019-03-01/insights/models.go
index 43bc075b2550..2c6b37c069ee 100644
--- a/services/preview/monitor/mgmt/2019-03-01/insights/models.go
+++ b/services/preview/monitor/mgmt/2019-03-01/insights/models.go
@@ -3142,8 +3142,8 @@ type LogSettings struct {
 
 // LogToMetricAction specify action need to be taken when rule type is converting log to metric
 type LogToMetricAction struct {
-	// Criteria - Severity of the alert
-	Criteria *Criteria `json:"criteria,omitempty"`
+	// Criteria - Criteria of Metric
+	Criteria *[]Criteria `json:"criteria,omitempty"`
 	// OdataType - Possible values include: 'OdataTypeAction', 'OdataTypeMicrosoftWindowsAzureManagementMonitoringAlertsModelsMicrosoftAppInsightsNexusDataContractsResourcesScheduledQueryRulesAlertingAction', 'OdataTypeMicrosoftWindowsAzureManagementMonitoringAlertsModelsMicrosoftAppInsightsNexusDataContractsResourcesScheduledQueryRulesLogToMetricAction'
 	OdataType OdataTypeBasicAction `json:"odata.type,omitempty"`
 }