diff --git a/lib/services/monitorManagement/lib/models/activityLogAlertActionList.js b/lib/services/monitorManagement/lib/models/activityLogAlertActionList.js
index 2de7dd16fe..3db57621c6 100644
--- a/lib/services/monitorManagement/lib/models/activityLogAlertActionList.js
+++ b/lib/services/monitorManagement/lib/models/activityLogAlertActionList.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * A list of activity log alert actions.
  *
diff --git a/lib/services/monitorManagement/lib/models/activityLogAlertAllOfCondition.js b/lib/services/monitorManagement/lib/models/activityLogAlertAllOfCondition.js
index 234f03ce70..62e16b8ba7 100644
--- a/lib/services/monitorManagement/lib/models/activityLogAlertAllOfCondition.js
+++ b/lib/services/monitorManagement/lib/models/activityLogAlertAllOfCondition.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * An Activity Log alert condition that is met when all its member conditions
  * are met.
diff --git a/lib/services/monitorManagement/lib/models/alertRuleResourcePatch.js b/lib/services/monitorManagement/lib/models/alertRuleResourcePatch.js
index 3094d95d8b..5f3a812930 100644
--- a/lib/services/monitorManagement/lib/models/alertRuleResourcePatch.js
+++ b/lib/services/monitorManagement/lib/models/alertRuleResourcePatch.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The alert rule object for patch operations.
  *
diff --git a/lib/services/monitorManagement/lib/models/autoscaleNotification.js b/lib/services/monitorManagement/lib/models/autoscaleNotification.js
index d56fcbc701..df7056debe 100644
--- a/lib/services/monitorManagement/lib/models/autoscaleNotification.js
+++ b/lib/services/monitorManagement/lib/models/autoscaleNotification.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Autoscale notification.
  *
diff --git a/lib/services/monitorManagement/lib/models/autoscaleProfile.js b/lib/services/monitorManagement/lib/models/autoscaleProfile.js
index 1246fb6922..0e71d11fc7 100644
--- a/lib/services/monitorManagement/lib/models/autoscaleProfile.js
+++ b/lib/services/monitorManagement/lib/models/autoscaleProfile.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Autoscale profile.
  *
@@ -79,6 +77,13 @@ class AutoscaleProfile {
    * format.
    * @member {object} [recurrence] the repeating times at which this profile
    * begins. This element is not used if the FixedDate element is used.
+   * @member {string} [recurrence.frequency] the recurrence frequency. How
+   * often the schedule profile should take effect. This value must be Week,
+   * meaning each week will have the same set of profiles. For example, to set
+   * a daily schedule, set **schedule** to every day of the week. The frequency
+   * property specifies that the schedule is repeated weekly. Possible values
+   * include: 'None', 'Second', 'Minute', 'Hour', 'Day', 'Week', 'Month',
+   * 'Year'
    * @member {object} [recurrence.schedule] the scheduling constraints for when
    * the profile begins.
    * @member {string} [recurrence.schedule.timeZone] the timezone for the hours
diff --git a/lib/services/monitorManagement/lib/models/autoscaleSettingResourcePatch.js b/lib/services/monitorManagement/lib/models/autoscaleSettingResourcePatch.js
index fe1ac2f14a..5a16e79145 100644
--- a/lib/services/monitorManagement/lib/models/autoscaleSettingResourcePatch.js
+++ b/lib/services/monitorManagement/lib/models/autoscaleSettingResourcePatch.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The autoscale setting object for patch operations.
  *
diff --git a/lib/services/monitorManagement/lib/models/baselineMetadataValue.js b/lib/services/monitorManagement/lib/models/baselineMetadataValue.js
index f0353fa4b3..904515ec31 100644
--- a/lib/services/monitorManagement/lib/models/baselineMetadataValue.js
+++ b/lib/services/monitorManagement/lib/models/baselineMetadataValue.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Represents a baseline metadata value.
  *
diff --git a/lib/services/monitorManagement/lib/models/baselineResponse.js b/lib/services/monitorManagement/lib/models/baselineResponse.js
index db9e23dd39..4a7ff3c87e 100644
--- a/lib/services/monitorManagement/lib/models/baselineResponse.js
+++ b/lib/services/monitorManagement/lib/models/baselineResponse.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The response to a baseline query.
  *
diff --git a/lib/services/monitorManagement/lib/models/calculateBaselineResponse.js b/lib/services/monitorManagement/lib/models/calculateBaselineResponse.js
index 3b8328e966..2c3984cfe7 100644
--- a/lib/services/monitorManagement/lib/models/calculateBaselineResponse.js
+++ b/lib/services/monitorManagement/lib/models/calculateBaselineResponse.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The response to a calcualte baseline call.
  *
diff --git a/lib/services/monitorManagement/lib/models/diagnosticSettingsCategoryResourceCollection.js b/lib/services/monitorManagement/lib/models/diagnosticSettingsCategoryResourceCollection.js
index 00199aec14..b3808199b6 100644
--- a/lib/services/monitorManagement/lib/models/diagnosticSettingsCategoryResourceCollection.js
+++ b/lib/services/monitorManagement/lib/models/diagnosticSettingsCategoryResourceCollection.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Represents a collection of diagnostic setting category resources.
  *
diff --git a/lib/services/monitorManagement/lib/models/diagnosticSettingsResourceCollection.js b/lib/services/monitorManagement/lib/models/diagnosticSettingsResourceCollection.js
index 89650e1336..adf6899c2e 100644
--- a/lib/services/monitorManagement/lib/models/diagnosticSettingsResourceCollection.js
+++ b/lib/services/monitorManagement/lib/models/diagnosticSettingsResourceCollection.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Represents a collection of alert rule resources.
  *
diff --git a/lib/services/monitorManagement/lib/models/eventData.js b/lib/services/monitorManagement/lib/models/eventData.js
index 7a0c296d1c..5b22aed759 100644
--- a/lib/services/monitorManagement/lib/models/eventData.js
+++ b/lib/services/monitorManagement/lib/models/eventData.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The Azure event log entries are of type EventData
  *
diff --git a/lib/services/monitorManagement/lib/models/index.d.ts b/lib/services/monitorManagement/lib/models/index.d.ts
index d75f226e03..e8facbcd0b 100644
--- a/lib/services/monitorManagement/lib/models/index.d.ts
+++ b/lib/services/monitorManagement/lib/models/index.d.ts
@@ -290,6 +290,12 @@ export interface RecurrentSchedule {
  * The repeating times at which this profile begins. This element is not used
  * if the FixedDate element is used.
  *
+ * @member {string} frequency the recurrence frequency. How often the schedule
+ * profile should take effect. This value must be Week, meaning each week will
+ * have the same set of profiles. For example, to set a daily schedule, set
+ * **schedule** to every day of the week. The frequency property specifies that
+ * the schedule is repeated weekly. Possible values include: 'None', 'Second',
+ * 'Minute', 'Hour', 'Day', 'Week', 'Month', 'Year'
  * @member {object} schedule the scheduling constraints for when the profile
  * begins.
  * @member {string} [schedule.timeZone] the timezone for the hours of the
@@ -338,6 +344,7 @@ export interface RecurrentSchedule {
  * profile takes effect at.
  */
 export interface Recurrence {
+  frequency: string;
   schedule: RecurrentSchedule;
 }
 
@@ -406,6 +413,12 @@ export interface Recurrence {
  * format.
  * @member {object} [recurrence] the repeating times at which this profile
  * begins. This element is not used if the FixedDate element is used.
+ * @member {string} [recurrence.frequency] the recurrence frequency. How often
+ * the schedule profile should take effect. This value must be Week, meaning
+ * each week will have the same set of profiles. For example, to set a daily
+ * schedule, set **schedule** to every day of the week. The frequency property
+ * specifies that the schedule is repeated weekly. Possible values include:
+ * 'None', 'Second', 'Minute', 'Hour', 'Day', 'Week', 'Month', 'Year'
  * @member {object} [recurrence.schedule] the scheduling constraints for when
  * the profile begins.
  * @member {string} [recurrence.schedule.timeZone] the timezone for the hours
diff --git a/lib/services/monitorManagement/lib/models/logProfileResourcePatch.js b/lib/services/monitorManagement/lib/models/logProfileResourcePatch.js
index f9b2822b45..442c7cf801 100644
--- a/lib/services/monitorManagement/lib/models/logProfileResourcePatch.js
+++ b/lib/services/monitorManagement/lib/models/logProfileResourcePatch.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The log profile resource for patch operations.
  *
diff --git a/lib/services/monitorManagement/lib/models/logSettings.js b/lib/services/monitorManagement/lib/models/logSettings.js
index de7aa7b6c6..dc1240e08c 100644
--- a/lib/services/monitorManagement/lib/models/logSettings.js
+++ b/lib/services/monitorManagement/lib/models/logSettings.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Part of MultiTenantDiagnosticSettings. Specifies the settings for a
  * particular log.
diff --git a/lib/services/monitorManagement/lib/models/metadataValue.js b/lib/services/monitorManagement/lib/models/metadataValue.js
index e57162fef2..4d25ff04c0 100644
--- a/lib/services/monitorManagement/lib/models/metadataValue.js
+++ b/lib/services/monitorManagement/lib/models/metadataValue.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Represents a metric metadata value.
  *
diff --git a/lib/services/monitorManagement/lib/models/metric.js b/lib/services/monitorManagement/lib/models/metric.js
index 62f4e00afc..95b5947525 100644
--- a/lib/services/monitorManagement/lib/models/metric.js
+++ b/lib/services/monitorManagement/lib/models/metric.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The result data of a query.
  *
diff --git a/lib/services/monitorManagement/lib/models/metricAlertResourcePatch.js b/lib/services/monitorManagement/lib/models/metricAlertResourcePatch.js
index 2211860368..aac4cc1abd 100644
--- a/lib/services/monitorManagement/lib/models/metricAlertResourcePatch.js
+++ b/lib/services/monitorManagement/lib/models/metricAlertResourcePatch.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The metric alert resource for patch operations.
  *
diff --git a/lib/services/monitorManagement/lib/models/metricAlertStatus.js b/lib/services/monitorManagement/lib/models/metricAlertStatus.js
index 388183af45..fbf72c3a94 100644
--- a/lib/services/monitorManagement/lib/models/metricAlertStatus.js
+++ b/lib/services/monitorManagement/lib/models/metricAlertStatus.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * An alert status.
  *
diff --git a/lib/services/monitorManagement/lib/models/metricAlertStatusCollection.js b/lib/services/monitorManagement/lib/models/metricAlertStatusCollection.js
index e3679d730b..deb2869449 100644
--- a/lib/services/monitorManagement/lib/models/metricAlertStatusCollection.js
+++ b/lib/services/monitorManagement/lib/models/metricAlertStatusCollection.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Represents a collection of alert rule resources.
  *
diff --git a/lib/services/monitorManagement/lib/models/metricCriteria.js b/lib/services/monitorManagement/lib/models/metricCriteria.js
index 8be5418acb..b94e6ef1bd 100644
--- a/lib/services/monitorManagement/lib/models/metricCriteria.js
+++ b/lib/services/monitorManagement/lib/models/metricCriteria.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Criterion to filter metrics.
  *
diff --git a/lib/services/monitorManagement/lib/models/metricDefinition.js b/lib/services/monitorManagement/lib/models/metricDefinition.js
index 06e73cee86..4f214262f4 100644
--- a/lib/services/monitorManagement/lib/models/metricDefinition.js
+++ b/lib/services/monitorManagement/lib/models/metricDefinition.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Metric definition class specifies the metadata for a metric.
  *
diff --git a/lib/services/monitorManagement/lib/models/metricSettings.js b/lib/services/monitorManagement/lib/models/metricSettings.js
index bdde9809ff..24fc9968a9 100644
--- a/lib/services/monitorManagement/lib/models/metricSettings.js
+++ b/lib/services/monitorManagement/lib/models/metricSettings.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Part of MultiTenantDiagnosticSettings. Specifies the settings for a
  * particular metric.
diff --git a/lib/services/monitorManagement/lib/models/operation.js b/lib/services/monitorManagement/lib/models/operation.js
index 83a27ddcc0..8f276ea7b4 100644
--- a/lib/services/monitorManagement/lib/models/operation.js
+++ b/lib/services/monitorManagement/lib/models/operation.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Microsoft Insights API operation definition.
  *
diff --git a/lib/services/monitorManagement/lib/models/operationListResult.js b/lib/services/monitorManagement/lib/models/operationListResult.js
index cad3161962..7ceaf0ffa1 100644
--- a/lib/services/monitorManagement/lib/models/operationListResult.js
+++ b/lib/services/monitorManagement/lib/models/operationListResult.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * Result of the request to list Microsoft.Insights operations. It contains a
  * list of operations and a URL link to get the next set of results.
diff --git a/lib/services/monitorManagement/lib/models/recurrence.js b/lib/services/monitorManagement/lib/models/recurrence.js
index b4878ebe15..090c6fc5e2 100644
--- a/lib/services/monitorManagement/lib/models/recurrence.js
+++ b/lib/services/monitorManagement/lib/models/recurrence.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The repeating times at which this profile begins. This element is not used
  * if the FixedDate element is used.
@@ -20,6 +18,13 @@ const models = require('./index');
 class Recurrence {
   /**
    * Create a Recurrence.
+   * @member {string} frequency the recurrence frequency. How often the
+   * schedule profile should take effect. This value must be Week, meaning each
+   * week will have the same set of profiles. For example, to set a daily
+   * schedule, set **schedule** to every day of the week. The frequency
+   * property specifies that the schedule is repeated weekly. Possible values
+   * include: 'None', 'Second', 'Minute', 'Hour', 'Day', 'Week', 'Month',
+   * 'Year'
    * @member {object} schedule the scheduling constraints for when the profile
    * begins.
    * @member {string} [schedule.timeZone] the timezone for the hours of the
@@ -87,11 +92,10 @@ class Recurrence {
         modelProperties: {
           frequency: {
             required: true,
-            isConstant: true,
             serializedName: 'frequency',
-            defaultValue: 'Week',
             type: {
-              name: 'String'
+              name: 'Enum',
+              allowedValues: [ 'None', 'Second', 'Minute', 'Hour', 'Day', 'Week', 'Month', 'Year' ]
             }
           },
           schedule: {
diff --git a/lib/services/monitorManagement/lib/models/response.js b/lib/services/monitorManagement/lib/models/response.js
index 20e0c9cbb3..6e2b85c300 100644
--- a/lib/services/monitorManagement/lib/models/response.js
+++ b/lib/services/monitorManagement/lib/models/response.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The response to a metrics query.
  *
diff --git a/lib/services/monitorManagement/lib/models/ruleCondition.js b/lib/services/monitorManagement/lib/models/ruleCondition.js
index 5b43f85397..7d106a306e 100644
--- a/lib/services/monitorManagement/lib/models/ruleCondition.js
+++ b/lib/services/monitorManagement/lib/models/ruleCondition.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The condition that results in the alert rule being activated.
  *
diff --git a/lib/services/monitorManagement/lib/models/scaleRule.js b/lib/services/monitorManagement/lib/models/scaleRule.js
index 0836d498c2..beda6ba5a8 100644
--- a/lib/services/monitorManagement/lib/models/scaleRule.js
+++ b/lib/services/monitorManagement/lib/models/scaleRule.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * A rule that provide the triggers and parameters for the scaling action.
  *
diff --git a/lib/services/monitorManagement/lib/models/timeSeriesElement.js b/lib/services/monitorManagement/lib/models/timeSeriesElement.js
index 576f5a51ab..1290bd7598 100644
--- a/lib/services/monitorManagement/lib/models/timeSeriesElement.js
+++ b/lib/services/monitorManagement/lib/models/timeSeriesElement.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * A time series result type. The discriminator value is always TimeSeries in
  * this case.
diff --git a/lib/services/monitorManagement/lib/models/triggerCondition.js b/lib/services/monitorManagement/lib/models/triggerCondition.js
index b69f6b6a0a..b39bdee93d 100644
--- a/lib/services/monitorManagement/lib/models/triggerCondition.js
+++ b/lib/services/monitorManagement/lib/models/triggerCondition.js
@@ -10,8 +10,6 @@
 
 'use strict';
 
-const models = require('./index');
-
 /**
  * The condition that results in the Log Search rule.
  *
diff --git a/lib/services/monitorManagement/package-lock.json b/lib/services/monitorManagement/package-lock.json
index 18b07e59ae..b96c9d4eba 100644
--- a/lib/services/monitorManagement/package-lock.json
+++ b/lib/services/monitorManagement/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "azure-arm-monitor",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/lib/services/monitorManagement/package.json b/lib/services/monitorManagement/package.json
index 5d54214012..dae0ceaa3d 100644
--- a/lib/services/monitorManagement/package.json
+++ b/lib/services/monitorManagement/package.json
@@ -2,7 +2,7 @@
   "name": "azure-arm-monitor",
   "author": "Microsoft Corporation",
   "description": "MonitorManagementClient Library with typescript type definitions for node",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "dependencies": {
     "ms-rest": "^2.3.3",
     "ms-rest-azure": "^2.5.5"
@@ -14,7 +14,7 @@
   "license": "MIT",
   "main": "./lib/monitorManagementClient.js",
   "types": "./lib/monitorManagementClient.d.ts",
-  "homepage": "https://github.com/azure/azure-sdk-for-node/lib/services/monitorManagement",
+  "homepage": "https://github.com/azure/azure-sdk-for-node/tree/master/lib/services/monitorManagement",
   "repository": {
     "type": "git",
     "url": "https://github.com/azure/azure-sdk-for-node.git"