diff --git a/sdk/managementgroups/arm-managementgroups/src/managementGroupsAPIContext.ts b/sdk/managementgroups/arm-managementgroups/src/managementGroupsAPIContext.ts
index 464d9645d43f..2288e8176315 100644
--- a/sdk/managementgroups/arm-managementgroups/src/managementGroupsAPIContext.ts
+++ b/sdk/managementgroups/arm-managementgroups/src/managementGroupsAPIContext.ts
@@ -48,7 +48,7 @@ export class ManagementGroupsAPIContext extends msRestAzure.AzureServiceClient {
 
     super(credentials, options);
 
-    this.apiVersion = '2020-02-01';
+    this.apiVersion = '2020-05-01';
     this.acceptLanguage = 'en-US';
     this.longRunningOperationRetryTimeout = 30;
     this.baseUri = options.baseUri || this.baseUri || "https://management.azure.com";
diff --git a/sdk/managementgroups/arm-managementgroups/src/models/hierarchySettingsOperationsMappers.ts b/sdk/managementgroups/arm-managementgroups/src/models/hierarchySettingsOperationsMappers.ts
index 626601d9efc1..2c05760d58bb 100644
--- a/sdk/managementgroups/arm-managementgroups/src/models/hierarchySettingsOperationsMappers.ts
+++ b/sdk/managementgroups/arm-managementgroups/src/models/hierarchySettingsOperationsMappers.ts
@@ -13,6 +13,7 @@ export {
   CreateManagementGroupRequest,
   CreateOrUpdateSettingsRequest,
   CreateParentGroupInfo,
+  DescendantParentGroupInfo,
   EntityHierarchyItem,
   ErrorDetails,
   ErrorResponse,
@@ -23,5 +24,6 @@ export {
   ManagementGroupChildInfo,
   ManagementGroupDetails,
   ManagementGroupPathElement,
-  ParentGroupInfo
+  ParentGroupInfo,
+  SubscriptionUnderManagementGroup
 } from "../models/mappers";
diff --git a/sdk/managementgroups/arm-managementgroups/src/models/index.ts b/sdk/managementgroups/arm-managementgroups/src/models/index.ts
index ac90464b2f29..d0cc39daece0 100644
--- a/sdk/managementgroups/arm-managementgroups/src/models/index.ts
+++ b/sdk/managementgroups/arm-managementgroups/src/models/index.ts
@@ -157,6 +157,56 @@ export interface ManagementGroupInfo {
   displayName?: string;
 }
 
+/**
+ * The ID of the parent management group.
+ */
+export interface DescendantParentGroupInfo {
+  /**
+   * The fully qualified ID for the parent management group.  For example,
+   * /providers/Microsoft.Management/managementGroups/0000000-0000-0000-0000-000000000000
+   */
+  id?: string;
+}
+
+/**
+ * The details of subscription under management group.
+ */
+export interface SubscriptionUnderManagementGroup extends BaseResource {
+  /**
+   * The fully qualified ID for the subscription.  For example,
+   * /providers/Microsoft.Management/managementGroups/0000000-0000-0000-0000-000000000000/subscriptions/0000000-0000-0000-0000-000000000001
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
+   */
+  readonly id?: string;
+  /**
+   * The type of the resource.  For example, Microsoft.Management/managementGroups/subscriptions
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
+   */
+  readonly type?: string;
+  /**
+   * The stringified id of the subscription. For example, 00000000-0000-0000-0000-000000000000
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
+   */
+  readonly name?: string;
+  /**
+   * The AAD Tenant ID associated with the subscription. For example,
+   * 00000000-0000-0000-0000-000000000000
+   */
+  tenant?: string;
+  /**
+   * The friendly name of the subscription.
+   */
+  displayName?: string;
+  /**
+   * Parent.
+   */
+  parent?: DescendantParentGroupInfo;
+  /**
+   * The state of the subscription.
+   */
+  state?: string;
+}
+
 /**
  * (Optional) The ID of the parent management group.
  */
@@ -221,10 +271,6 @@ export interface ManagementGroupChildInfo {
    * The friendly name of the child resource.
    */
   displayName?: string;
-  /**
-   * The roles definitions associated with the management group.
-   */
-  roles?: string[];
   /**
    * The list of children.
    */
@@ -274,10 +320,6 @@ export interface ManagementGroup extends BaseResource {
    * The friendly name of the management group.
    */
   displayName?: string;
-  /**
-   * The role definitions associated with the management group.
-   */
-  roles?: string[];
   /**
    * Details.
    */
@@ -471,17 +513,6 @@ export interface CreateOrUpdateSettingsRequest extends BaseResource {
   defaultManagementGroup?: string;
 }
 
-/**
- * The ID of the parent management group.
- */
-export interface DescendantParentGroupInfo {
-  /**
-   * The fully qualified ID for the parent management group.  For example,
-   * /providers/Microsoft.Management/managementGroups/0000000-0000-0000-0000-000000000000
-   */
-  id?: string;
-}
-
 /**
  * The descendant.
  */
@@ -635,7 +666,7 @@ export interface PatchManagementGroupRequest {
    * (Optional) The fully qualified ID for the parent management group.  For example,
    * /providers/Microsoft.Management/managementGroups/0000000-0000-0000-0000-000000000000
    */
-  parentId?: string;
+  parentGroupId?: string;
 }
 
 /**
@@ -711,11 +742,6 @@ export interface CreateManagementGroupChildInfo {
    * **NOTE: This property will not be serialized. It can only be populated by the server.**
    */
   readonly displayName?: string;
-  /**
-   * The roles definitions associated with the management group.
-   * **NOTE: This property will not be serialized. It can only be populated by the server.**
-   */
-  readonly roles?: string[];
   /**
    * The list of children.
    * **NOTE: This property will not be serialized. It can only be populated by the server.**
@@ -753,11 +779,6 @@ export interface CreateManagementGroupRequest extends BaseResource {
    * to the groupId.
    */
   displayName?: string;
-  /**
-   * The roles definitions associated with the management group.
-   * **NOTE: This property will not be serialized. It can only be populated by the server.**
-   */
-  readonly roles?: string[];
   /**
    * Details.
    */
@@ -779,7 +800,7 @@ export interface CheckNameAvailabilityRequest {
   name?: string;
   /**
    * fully qualified resource type which includes provider namespace. Possible values include:
-   * 'Microsoft.Management/managementGroup'
+   * 'Microsoft.Management/managementGroups'
    */
   type?: Type;
 }
@@ -901,6 +922,16 @@ export interface ManagementGroupSubscriptionsDeleteMethodOptionalParams extends
   cacheControl?: string;
 }
 
+/**
+ * Optional Parameters.
+ */
+export interface ManagementGroupSubscriptionsGetSubscriptionOptionalParams extends msRest.RequestOptionsBase {
+  /**
+   * Indicates that the request shouldn't utilize any caches. Default value: 'no-cache'.
+   */
+  cacheControl?: string;
+}
+
 /**
  * Optional Parameters.
  */
@@ -1065,6 +1096,19 @@ export interface DescendantListResult extends Array<DescendantInfo> {
   readonly nextLink?: string;
 }
 
+/**
+ * @interface
+ * The details of all subscriptions under management group.
+ * @extends Array<SubscriptionUnderManagementGroup>
+ */
+export interface ListSubscriptionUnderManagementGroup extends Array<SubscriptionUnderManagementGroup> {
+  /**
+   * The URL to use for getting the next set of results.
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
+   */
+  readonly nextLink?: string;
+}
+
 /**
  * @interface
  * Describes the result of the request to list Microsoft.Management operations.
@@ -1115,11 +1159,11 @@ export type Status = 'NotStarted' | 'NotStartedButGroupsExist' | 'Started' | 'Fa
 
 /**
  * Defines values for Type.
- * Possible values include: 'Microsoft.Management/managementGroup'
+ * Possible values include: 'Microsoft.Management/managementGroups'
  * @readonly
  * @enum {string}
  */
-export type Type = 'Microsoft.Management/managementGroup';
+export type Type = 'Microsoft.Management/managementGroups';
 
 /**
  * Defines values for Type1.
@@ -1361,6 +1405,86 @@ export type ManagementGroupsGetDescendantsNextResponse = DescendantListResult &
     };
 };
 
+/**
+ * Contains response data for the create operation.
+ */
+export type ManagementGroupSubscriptionsCreateResponse = SubscriptionUnderManagementGroup & {
+  /**
+   * The underlying HTTP response.
+   */
+  _response: msRest.HttpResponse & {
+      /**
+       * The response body as text (string format)
+       */
+      bodyAsText: string;
+
+      /**
+       * The response body as parsed JSON or XML
+       */
+      parsedBody: SubscriptionUnderManagementGroup;
+    };
+};
+
+/**
+ * Contains response data for the getSubscription operation.
+ */
+export type ManagementGroupSubscriptionsGetSubscriptionResponse = SubscriptionUnderManagementGroup & {
+  /**
+   * The underlying HTTP response.
+   */
+  _response: msRest.HttpResponse & {
+      /**
+       * The response body as text (string format)
+       */
+      bodyAsText: string;
+
+      /**
+       * The response body as parsed JSON or XML
+       */
+      parsedBody: SubscriptionUnderManagementGroup;
+    };
+};
+
+/**
+ * Contains response data for the getSubscriptionsUnderManagementGroup operation.
+ */
+export type ManagementGroupSubscriptionsGetSubscriptionsUnderManagementGroupResponse = ListSubscriptionUnderManagementGroup & {
+  /**
+   * The underlying HTTP response.
+   */
+  _response: msRest.HttpResponse & {
+      /**
+       * The response body as text (string format)
+       */
+      bodyAsText: string;
+
+      /**
+       * The response body as parsed JSON or XML
+       */
+      parsedBody: ListSubscriptionUnderManagementGroup;
+    };
+};
+
+/**
+ * Contains response data for the getSubscriptionsUnderManagementGroupNext operation.
+ */
+export type ManagementGroupSubscriptionsGetSubscriptionsUnderManagementGroupNextResponse = ListSubscriptionUnderManagementGroup & {
+  /**
+   * The underlying HTTP response.
+   */
+  _response: msRest.HttpResponse & {
+      /**
+       * The response body as text (string format)
+       */
+      bodyAsText: string;
+
+      /**
+       * The response body as parsed JSON or XML
+       */
+      parsedBody: ListSubscriptionUnderManagementGroup;
+    };
+};
+
 /**
  * Contains response data for the list operation.
  */
diff --git a/sdk/managementgroups/arm-managementgroups/src/models/managementGroupSubscriptionsMappers.ts b/sdk/managementgroups/arm-managementgroups/src/models/managementGroupSubscriptionsMappers.ts
index c0c5dd425fbd..a7ae19c9a020 100644
--- a/sdk/managementgroups/arm-managementgroups/src/models/managementGroupSubscriptionsMappers.ts
+++ b/sdk/managementgroups/arm-managementgroups/src/models/managementGroupSubscriptionsMappers.ts
@@ -7,6 +7,22 @@
  */
 
 export {
+  BaseResource,
+  CreateManagementGroupChildInfo,
+  CreateManagementGroupDetails,
+  CreateManagementGroupRequest,
+  CreateOrUpdateSettingsRequest,
+  CreateParentGroupInfo,
+  DescendantParentGroupInfo,
+  EntityHierarchyItem,
   ErrorDetails,
-  ErrorResponse
+  ErrorResponse,
+  HierarchySettings,
+  ListSubscriptionUnderManagementGroup,
+  ManagementGroup,
+  ManagementGroupChildInfo,
+  ManagementGroupDetails,
+  ManagementGroupPathElement,
+  ParentGroupInfo,
+  SubscriptionUnderManagementGroup
 } from "../models/mappers";
diff --git a/sdk/managementgroups/arm-managementgroups/src/models/managementGroupsMappers.ts b/sdk/managementgroups/arm-managementgroups/src/models/managementGroupsMappers.ts
index 7e45d5c8ac2e..f2d5487080bb 100644
--- a/sdk/managementgroups/arm-managementgroups/src/models/managementGroupsMappers.ts
+++ b/sdk/managementgroups/arm-managementgroups/src/models/managementGroupsMappers.ts
@@ -30,5 +30,6 @@ export {
   ManagementGroupsCreateOrUpdateHeaders,
   ManagementGroupsDeleteHeaders,
   ParentGroupInfo,
-  PatchManagementGroupRequest
+  PatchManagementGroupRequest,
+  SubscriptionUnderManagementGroup
 } from "../models/mappers";
diff --git a/sdk/managementgroups/arm-managementgroups/src/models/mappers.ts b/sdk/managementgroups/arm-managementgroups/src/models/mappers.ts
index beb8927adfe9..3f419ab97006 100644
--- a/sdk/managementgroups/arm-managementgroups/src/models/mappers.ts
+++ b/sdk/managementgroups/arm-managementgroups/src/models/mappers.ts
@@ -229,6 +229,79 @@ export const ManagementGroupInfo: msRest.CompositeMapper = {
   }
 };
 
+export const DescendantParentGroupInfo: msRest.CompositeMapper = {
+  serializedName: "DescendantParentGroupInfo",
+  type: {
+    name: "Composite",
+    className: "DescendantParentGroupInfo",
+    modelProperties: {
+      id: {
+        serializedName: "id",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
+export const SubscriptionUnderManagementGroup: msRest.CompositeMapper = {
+  serializedName: "SubscriptionUnderManagementGroup",
+  type: {
+    name: "Composite",
+    className: "SubscriptionUnderManagementGroup",
+    modelProperties: {
+      id: {
+        readOnly: true,
+        serializedName: "id",
+        type: {
+          name: "String"
+        }
+      },
+      type: {
+        readOnly: true,
+        serializedName: "type",
+        type: {
+          name: "String"
+        }
+      },
+      name: {
+        readOnly: true,
+        serializedName: "name",
+        type: {
+          name: "String"
+        }
+      },
+      tenant: {
+        serializedName: "properties.tenant",
+        type: {
+          name: "String"
+        }
+      },
+      displayName: {
+        serializedName: "properties.displayName",
+        type: {
+          name: "String"
+        }
+      },
+      parent: {
+        nullable: true,
+        serializedName: "properties.parent",
+        type: {
+          name: "Composite",
+          className: "DescendantParentGroupInfo"
+        }
+      },
+      state: {
+        serializedName: "properties.state",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
 export const ParentGroupInfo: msRest.CompositeMapper = {
   serializedName: "ParentGroupInfo",
   type: {
@@ -322,17 +395,6 @@ export const ManagementGroupChildInfo: msRest.CompositeMapper = {
           name: "String"
         }
       },
-      roles: {
-        serializedName: "roles",
-        type: {
-          name: "Sequence",
-          element: {
-            type: {
-              name: "String"
-            }
-          }
-        }
-      },
       children: {
         serializedName: "children",
         type: {
@@ -410,18 +472,6 @@ export const ManagementGroup: msRest.CompositeMapper = {
           name: "String"
         }
       },
-      roles: {
-        nullable: true,
-        serializedName: "properties.roles",
-        type: {
-          name: "Sequence",
-          element: {
-            type: {
-              name: "String"
-            }
-          }
-        }
-      },
       details: {
         serializedName: "properties.details",
         type: {
@@ -701,22 +751,6 @@ export const CreateOrUpdateSettingsRequest: msRest.CompositeMapper = {
   }
 };
 
-export const DescendantParentGroupInfo: msRest.CompositeMapper = {
-  serializedName: "DescendantParentGroupInfo",
-  type: {
-    name: "Composite",
-    className: "DescendantParentGroupInfo",
-    modelProperties: {
-      id: {
-        serializedName: "id",
-        type: {
-          name: "String"
-        }
-      }
-    }
-  }
-};
-
 export const DescendantInfo: msRest.CompositeMapper = {
   serializedName: "DescendantInfo",
   type: {
@@ -962,9 +996,9 @@ export const PatchManagementGroupRequest: msRest.CompositeMapper = {
           name: "String"
         }
       },
-      parentId: {
+      parentGroupId: {
         nullable: true,
-        serializedName: "parentId",
+        serializedName: "parentGroupId",
         type: {
           name: "String"
         }
@@ -1075,18 +1109,6 @@ export const CreateManagementGroupChildInfo: msRest.CompositeMapper = {
           name: "String"
         }
       },
-      roles: {
-        readOnly: true,
-        serializedName: "roles",
-        type: {
-          name: "Sequence",
-          element: {
-            type: {
-              name: "String"
-            }
-          }
-        }
-      },
       children: {
         readOnly: true,
         serializedName: "children",
@@ -1144,19 +1166,6 @@ export const CreateManagementGroupRequest: msRest.CompositeMapper = {
           name: "String"
         }
       },
-      roles: {
-        nullable: true,
-        readOnly: true,
-        serializedName: "properties.roles",
-        type: {
-          name: "Sequence",
-          element: {
-            type: {
-              name: "String"
-            }
-          }
-        }
-      },
       details: {
         serializedName: "properties.details",
         type: {
@@ -1199,7 +1208,7 @@ export const CheckNameAvailabilityRequest: msRest.CompositeMapper = {
         type: {
           name: "Enum",
           allowedValues: [
-            "Microsoft.Management/managementGroup"
+            "Microsoft.Management/managementGroups"
           ]
         }
       }
@@ -1309,6 +1318,35 @@ export const DescendantListResult: msRest.CompositeMapper = {
   }
 };
 
+export const ListSubscriptionUnderManagementGroup: msRest.CompositeMapper = {
+  serializedName: "ListSubscriptionUnderManagementGroup",
+  type: {
+    name: "Composite",
+    className: "ListSubscriptionUnderManagementGroup",
+    modelProperties: {
+      value: {
+        serializedName: "",
+        type: {
+          name: "Sequence",
+          element: {
+            type: {
+              name: "Composite",
+              className: "SubscriptionUnderManagementGroup"
+            }
+          }
+        }
+      },
+      nextLink: {
+        readOnly: true,
+        serializedName: "nextLink",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
 export const OperationListResult: msRest.CompositeMapper = {
   serializedName: "OperationListResult",
   type: {
diff --git a/sdk/managementgroups/arm-managementgroups/src/operations/managementGroupSubscriptions.ts b/sdk/managementgroups/arm-managementgroups/src/operations/managementGroupSubscriptions.ts
index 0fb4a351cb1e..2c70ad88ee98 100644
--- a/sdk/managementgroups/arm-managementgroups/src/operations/managementGroupSubscriptions.ts
+++ b/sdk/managementgroups/arm-managementgroups/src/operations/managementGroupSubscriptions.ts
@@ -31,23 +31,23 @@ export class ManagementGroupSubscriptions {
    * @param groupId Management Group ID.
    * @param subscriptionId Subscription ID.
    * @param [options] The optional parameters
-   * @returns Promise<msRest.RestResponse>
+   * @returns Promise<Models.ManagementGroupSubscriptionsCreateResponse>
    */
-  create(groupId: string, subscriptionId: string, options?: Models.ManagementGroupSubscriptionsCreateOptionalParams): Promise<msRest.RestResponse>;
+  create(groupId: string, subscriptionId: string, options?: Models.ManagementGroupSubscriptionsCreateOptionalParams): Promise<Models.ManagementGroupSubscriptionsCreateResponse>;
   /**
    * @param groupId Management Group ID.
    * @param subscriptionId Subscription ID.
    * @param callback The callback
    */
-  create(groupId: string, subscriptionId: string, callback: msRest.ServiceCallback<void>): void;
+  create(groupId: string, subscriptionId: string, callback: msRest.ServiceCallback<Models.SubscriptionUnderManagementGroup>): void;
   /**
    * @param groupId Management Group ID.
    * @param subscriptionId Subscription ID.
    * @param options The optional parameters
    * @param callback The callback
    */
-  create(groupId: string, subscriptionId: string, options: Models.ManagementGroupSubscriptionsCreateOptionalParams, callback: msRest.ServiceCallback<void>): void;
-  create(groupId: string, subscriptionId: string, options?: Models.ManagementGroupSubscriptionsCreateOptionalParams | msRest.ServiceCallback<void>, callback?: msRest.ServiceCallback<void>): Promise<msRest.RestResponse> {
+  create(groupId: string, subscriptionId: string, options: Models.ManagementGroupSubscriptionsCreateOptionalParams, callback: msRest.ServiceCallback<Models.SubscriptionUnderManagementGroup>): void;
+  create(groupId: string, subscriptionId: string, options?: Models.ManagementGroupSubscriptionsCreateOptionalParams | msRest.ServiceCallback<Models.SubscriptionUnderManagementGroup>, callback?: msRest.ServiceCallback<Models.SubscriptionUnderManagementGroup>): Promise<Models.ManagementGroupSubscriptionsCreateResponse> {
     return this.client.sendOperationRequest(
       {
         groupId,
@@ -55,7 +55,7 @@ export class ManagementGroupSubscriptions {
         options
       },
       createOperationSpec,
-      callback);
+      callback) as Promise<Models.ManagementGroupSubscriptionsCreateResponse>;
   }
 
   /**
@@ -89,6 +89,96 @@ export class ManagementGroupSubscriptions {
       deleteMethodOperationSpec,
       callback);
   }
+
+  /**
+   * Retrieves details about given subscription which is associated with the management group.
+   * @param groupId Management Group ID.
+   * @param subscriptionId Subscription ID.
+   * @param [options] The optional parameters
+   * @returns Promise<Models.ManagementGroupSubscriptionsGetSubscriptionResponse>
+   */
+  getSubscription(groupId: string, subscriptionId: string, options?: Models.ManagementGroupSubscriptionsGetSubscriptionOptionalParams): Promise<Models.ManagementGroupSubscriptionsGetSubscriptionResponse>;
+  /**
+   * @param groupId Management Group ID.
+   * @param subscriptionId Subscription ID.
+   * @param callback The callback
+   */
+  getSubscription(groupId: string, subscriptionId: string, callback: msRest.ServiceCallback<Models.SubscriptionUnderManagementGroup>): void;
+  /**
+   * @param groupId Management Group ID.
+   * @param subscriptionId Subscription ID.
+   * @param options The optional parameters
+   * @param callback The callback
+   */
+  getSubscription(groupId: string, subscriptionId: string, options: Models.ManagementGroupSubscriptionsGetSubscriptionOptionalParams, callback: msRest.ServiceCallback<Models.SubscriptionUnderManagementGroup>): void;
+  getSubscription(groupId: string, subscriptionId: string, options?: Models.ManagementGroupSubscriptionsGetSubscriptionOptionalParams | msRest.ServiceCallback<Models.SubscriptionUnderManagementGroup>, callback?: msRest.ServiceCallback<Models.SubscriptionUnderManagementGroup>): Promise<Models.ManagementGroupSubscriptionsGetSubscriptionResponse> {
+    return this.client.sendOperationRequest(
+      {
+        groupId,
+        subscriptionId,
+        options
+      },
+      getSubscriptionOperationSpec,
+      callback) as Promise<Models.ManagementGroupSubscriptionsGetSubscriptionResponse>;
+  }
+
+  /**
+   * Retrieves details about all subscriptions which are associated with the management group.
+   * @param groupId Management Group ID.
+   * @param [options] The optional parameters
+   * @returns
+   * Promise<Models.ManagementGroupSubscriptionsGetSubscriptionsUnderManagementGroupResponse>
+   */
+  getSubscriptionsUnderManagementGroup(groupId: string, options?: msRest.RequestOptionsBase): Promise<Models.ManagementGroupSubscriptionsGetSubscriptionsUnderManagementGroupResponse>;
+  /**
+   * @param groupId Management Group ID.
+   * @param callback The callback
+   */
+  getSubscriptionsUnderManagementGroup(groupId: string, callback: msRest.ServiceCallback<Models.ListSubscriptionUnderManagementGroup>): void;
+  /**
+   * @param groupId Management Group ID.
+   * @param options The optional parameters
+   * @param callback The callback
+   */
+  getSubscriptionsUnderManagementGroup(groupId: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ListSubscriptionUnderManagementGroup>): void;
+  getSubscriptionsUnderManagementGroup(groupId: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ListSubscriptionUnderManagementGroup>, callback?: msRest.ServiceCallback<Models.ListSubscriptionUnderManagementGroup>): Promise<Models.ManagementGroupSubscriptionsGetSubscriptionsUnderManagementGroupResponse> {
+    return this.client.sendOperationRequest(
+      {
+        groupId,
+        options
+      },
+      getSubscriptionsUnderManagementGroupOperationSpec,
+      callback) as Promise<Models.ManagementGroupSubscriptionsGetSubscriptionsUnderManagementGroupResponse>;
+  }
+
+  /**
+   * Retrieves details about all subscriptions which are associated with the management group.
+   * @param nextPageLink The NextLink from the previous successful call to List operation.
+   * @param [options] The optional parameters
+   * @returns
+   * Promise<Models.ManagementGroupSubscriptionsGetSubscriptionsUnderManagementGroupNextResponse>
+   */
+  getSubscriptionsUnderManagementGroupNext(nextPageLink: string, options?: msRest.RequestOptionsBase): Promise<Models.ManagementGroupSubscriptionsGetSubscriptionsUnderManagementGroupNextResponse>;
+  /**
+   * @param nextPageLink The NextLink from the previous successful call to List operation.
+   * @param callback The callback
+   */
+  getSubscriptionsUnderManagementGroupNext(nextPageLink: string, callback: msRest.ServiceCallback<Models.ListSubscriptionUnderManagementGroup>): void;
+  /**
+   * @param nextPageLink The NextLink from the previous successful call to List operation.
+   * @param options The optional parameters
+   * @param callback The callback
+   */
+  getSubscriptionsUnderManagementGroupNext(nextPageLink: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ListSubscriptionUnderManagementGroup>): void;
+  getSubscriptionsUnderManagementGroupNext(nextPageLink: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ListSubscriptionUnderManagementGroup>, callback?: msRest.ServiceCallback<Models.ListSubscriptionUnderManagementGroup>): Promise<Models.ManagementGroupSubscriptionsGetSubscriptionsUnderManagementGroupNextResponse> {
+    return this.client.sendOperationRequest(
+      {
+        nextPageLink,
+        options
+      },
+      getSubscriptionsUnderManagementGroupNextOperationSpec,
+      callback) as Promise<Models.ManagementGroupSubscriptionsGetSubscriptionsUnderManagementGroupNextResponse>;
+  }
 }
 
 // Operation Specifications
@@ -108,8 +198,9 @@ const createOperationSpec: msRest.OperationSpec = {
     Parameters.acceptLanguage
   ],
   responses: {
-    200: {},
-    204: {},
+    200: {
+      bodyMapper: Mappers.SubscriptionUnderManagementGroup
+    },
     default: {
       bodyMapper: Mappers.ErrorResponse
     }
@@ -140,3 +231,73 @@ const deleteMethodOperationSpec: msRest.OperationSpec = {
   },
   serializer
 };
+
+const getSubscriptionOperationSpec: msRest.OperationSpec = {
+  httpMethod: "GET",
+  path: "providers/Microsoft.Management/managementGroups/{groupId}/subscriptions/{subscriptionId}",
+  urlParameters: [
+    Parameters.groupId,
+    Parameters.subscriptionId
+  ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
+  headerParameters: [
+    Parameters.cacheControl,
+    Parameters.acceptLanguage
+  ],
+  responses: {
+    200: {
+      bodyMapper: Mappers.SubscriptionUnderManagementGroup
+    },
+    default: {
+      bodyMapper: Mappers.ErrorResponse
+    }
+  },
+  serializer
+};
+
+const getSubscriptionsUnderManagementGroupOperationSpec: msRest.OperationSpec = {
+  httpMethod: "GET",
+  path: "providers/Microsoft.Management/managementGroups/{groupId}/subscriptions",
+  urlParameters: [
+    Parameters.groupId
+  ],
+  queryParameters: [
+    Parameters.apiVersion,
+    Parameters.skiptoken
+  ],
+  headerParameters: [
+    Parameters.acceptLanguage
+  ],
+  responses: {
+    200: {
+      bodyMapper: Mappers.ListSubscriptionUnderManagementGroup
+    },
+    default: {
+      bodyMapper: Mappers.ErrorResponse
+    }
+  },
+  serializer
+};
+
+const getSubscriptionsUnderManagementGroupNextOperationSpec: msRest.OperationSpec = {
+  httpMethod: "GET",
+  baseUrl: "https://management.azure.com",
+  path: "{nextLink}",
+  urlParameters: [
+    Parameters.nextPageLink
+  ],
+  headerParameters: [
+    Parameters.acceptLanguage
+  ],
+  responses: {
+    200: {
+      bodyMapper: Mappers.ListSubscriptionUnderManagementGroup
+    },
+    default: {
+      bodyMapper: Mappers.ErrorResponse
+    }
+  },
+  serializer
+};