diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/GetReservationDetails.json b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/GetReservationDetails.json
index 52d4ce3be960..595ff8bff4b5 100644
--- a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/GetReservationDetails.json
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/GetReservationDetails.json
@@ -2,7 +2,8 @@
   "parameters": {
     "api-version": "2019-04-01",
     "reservationOrderId": "276e7ae4-84d0-4da6-ab4b-d6b94f3557da",
-    "reservationId": "6ef59113-3482-40da-8d79-787f823e34bc"
+    "reservationId": "6ef59113-3482-40da-8d79-787f823e34bc",
+    "expand": "renewProperties"
   },
   "responses": {
     "200": {
@@ -19,6 +20,10 @@
           "appliedScopes": [
             "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
           ],
+          "renew": false,
+          "renewSource": "/providers/microsoft.capacity/reservationOrders/276e7ae4-84d0-4da6-ab4b-d6b94f3557da/reservations/00238563-7312-4c20-a134-8c030bf938a7",
+          "renewDestination": "/providers/microsoft.capacity/reservationOrders/276e7ae4-84d0-4da6-ab4b-d6b94f3557da/reservations/00238563-7312-4c20-a134-8c030bf938a7",
+          "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
           "appliedScopeType": "Single",
           "quantity": 3,
           "provisioningState": "Succeeded",
@@ -34,6 +39,26 @@
               "/providers/microsoft.capacity/reservationOrders/276e7ae4-84d0-4da6-ab4b-d6b94f3557da/reservations/00238563-7312-4c20-a134-8c030bf938a7",
               "/providers/microsoft.capacity/reservationOrders/276e7ae4-84d0-4da6-ab4b-d6b94f3557da/reservations/e0e4b4f5-77ea-4984-9ee4-6bf9850ee6de"
             ]
+          },
+          "renewProperties": {
+            "purchaseProperties": {
+              "sku": {
+                "name": "Standard_D1"
+              },
+              "location": "westus",
+              "properties": {
+                "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
+                "term": "P1Y",
+                "quantity": 2,
+                "displayName": "Renew_Test_0618",
+                "appliedScopeType": "Shared",
+                "reservedResourceType": "VirtualMachines",
+                "reservedResourceProperties": {
+                  "instanceFlexibility": "On"
+                },
+                "renew": false
+              }
+            }
           }
         }
       }
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/GetReservations.json b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/GetReservations.json
index 5745858df555..7d4e8a335f80 100644
--- a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/GetReservations.json
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/GetReservations.json
@@ -20,6 +20,8 @@
               "appliedScopes": [
                 "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
               ],
+              "renew": false,
+              "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
               "appliedScopeType": "Single",
               "quantity": 3,
               "provisioningState": "Cancelled",
@@ -55,6 +57,8 @@
               "appliedScopes": [
                 "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
               ],
+              "renew": false,
+              "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
               "appliedScopeType": "Single",
               "quantity": 1,
               "provisioningState": "Cancelled",
@@ -90,6 +94,8 @@
               "appliedScopes": [
                 "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
               ],
+              "renew": false,
+              "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
               "appliedScopeType": "Single",
               "quantity": 2,
               "provisioningState": "Cancelled",
@@ -125,6 +131,8 @@
               "appliedScopes": [
                 "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
               ],
+              "renew": false,
+              "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
               "appliedScopeType": "Single",
               "quantity": 3,
               "provisioningState": "Succeeded",
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/MergeReservations.json b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/MergeReservations.json
index ea78ed11b968..80f863f7311b 100644
--- a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/MergeReservations.json
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/MergeReservations.json
@@ -27,6 +27,8 @@
             "appliedScopes": [
               "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
             ],
+            "renew": false,
+            "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
             "appliedScopeType": "Single",
             "quantity": 1,
             "provisioningState": "Cancelled",
@@ -62,6 +64,8 @@
             "appliedScopes": [
               "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
             ],
+            "renew": false,
+            "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
             "appliedScopeType": "Single",
             "quantity": 2,
             "provisioningState": "Cancelled",
@@ -97,6 +101,8 @@
             "appliedScopes": [
               "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
             ],
+            "renew": false,
+            "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
             "appliedScopeType": "Single",
             "quantity": 3,
             "provisioningState": "Succeeded",
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/PurchaseReservationOrder.json b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/PurchaseReservationOrder.json
index c13d39b127c2..7ca424b72af8 100644
--- a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/PurchaseReservationOrder.json
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/PurchaseReservationOrder.json
@@ -17,7 +17,8 @@
         "appliedScopeType": "Shared",
         "reservedResourceProperties": {
           "instanceFlexibility": "On"
-        }
+        },
+        "renew": false
       }
     }
   },
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/SplitReservation.json b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/SplitReservation.json
index 281a964f20fe..84d3c0db51ae 100644
--- a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/SplitReservation.json
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/SplitReservation.json
@@ -28,6 +28,8 @@
             "appliedScopes": [
               "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
             ],
+            "renew": false,
+            "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
             "appliedScopeType": "Single",
             "quantity": 1,
             "provisioningState": "Succeeded",
@@ -56,6 +58,8 @@
             "appliedScopes": [
               "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
             ],
+            "renew": false,
+            "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
             "appliedScopeType": "Single",
             "quantity": 2,
             "provisioningState": "Succeeded",
@@ -84,6 +88,8 @@
             "appliedScopes": [
               "/subscriptions/98df3792-7962-4f18-8be2-d5576f122de3"
             ],
+            "renew": false,
+            "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
             "appliedScopeType": "Single",
             "quantity": 3,
             "provisioningState": "Cancelled",
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/UpdateReservation.json b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/UpdateReservation.json
index 5e6625876ed0..4a9084369241 100644
--- a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/UpdateReservation.json
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/examples/UpdateReservation.json
@@ -23,6 +23,8 @@
         "location": "eastus",
         "properties": {
           "appliedScopeType": "Shared",
+          "renew": false,
+          "billingScopeId": "/subscriptions/19376483-64b8-49e4-a931-d5248828720a",
           "quantity": 3,
           "provisioningState": "Succeeded",
           "expiryDate": "2018-09-22",
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/reservations.json b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/reservations.json
index e4e14bdfd8c3..29e1fe8faed0 100644
--- a/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/reservations.json
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/preview/2019-04-01/reservations.json
@@ -421,10 +421,13 @@
           },
           {
             "$ref": "#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "#/parameters/ExpandRenewPropertiesParameter"
           }
         ],
         "tags": [
-          "Reservation"
+          "Reservation" 
         ],
         "responses": {
           "200": {
@@ -853,6 +856,26 @@
         }
       }
     },
+    "RenewPropertiesResponse": {
+      "type": "object",
+      "properties": {
+        "purchaseProperties": {
+          "$ref": "#/definitions/PurchaseRequest"
+        },
+        "lockedPriceTotal": {
+          "type": "object",
+          "description": "Locked currency & amount for new reservation purchase at the time of renewal. Price is locked 30 days before expiry date time if renew is true.",
+          "properties": {
+            "currencyCode": {
+              "type": "string"
+            },
+            "amount": {
+              "type": "string"
+            }
+          }
+        }
+      }
+    },
     "CalculatePriceResponse": {
       "type": "object",
       "properties": {
@@ -960,6 +983,23 @@
         },
         "mergeProperties": {
           "$ref": "#/definitions/ReservationMergeProperties"
+        },
+        "billingScopeId": {
+          "$ref": "#/definitions/BillingScopeId"
+        },
+        "renew": {
+          "$ref": "#/definitions/Renew"
+        },
+        "renewSource": {
+          "type": "string",
+          "description": "Reservation Id of the reservation from which this reservation is renewed. Format of the resource Id is /providers/Microsoft.Capacity/reservationOrders/{reservationOrderId}/reservations/{reservationId}."
+        },
+        "renewDestination": {
+          "type": "string",
+          "description": "Reservation Id of the reservation which is purchased because of renew. Format of the resource Id is /providers/Microsoft.Capacity/reservationOrders/{reservationOrderId}/reservations/{reservationId}."
+        },
+        "renewProperties": {
+          "$ref": "#/definitions/RenewPropertiesResponse"
         }
       }
     },
@@ -1020,6 +1060,9 @@
         "appliedScopes": {
           "$ref": "#/definitions/AppliedScopes"
         },
+        "renew": {
+          "$ref": "#/definitions/Renew"
+        },
         "reservedResourceProperties": {
           "type": "object",
           "description": "Properties specific to each reserved resource type. Not required if not applicable.",
@@ -1046,6 +1089,17 @@
         "name": {
           "type": "string",
           "description": "Name of the Reservation"
+        },
+        "renew": {
+          "$ref": "#/definitions/Renew"
+        },
+        "renewProperties": {
+          "type": "object",
+          "properties": {
+            "purchaseProperties": {
+              "$ref": "#/definitions/PurchaseRequest"
+            }
+          }
         }
       }
     },
@@ -1314,6 +1368,11 @@
       "type": "string",
       "description": "Subscription that will be charged for purchasing Reservation"
     },
+    "Renew": {
+      "type": "boolean",
+      "default": false,
+      "description": "Setting this to true will automatically purchase a new reservation on the expiration date time."
+    },
     "ReservationQuantity": {
       "type": "integer",
       "format": "int32",
@@ -1390,6 +1449,14 @@
       "required": true,
       "type": "string"
     },
+    "ExpandRenewPropertiesParameter": {
+      "name": "expand",
+      "x-ms-parameter-location": "method",
+      "in": "query",
+      "description": "Supported value of this query is renewProperties",
+      "required": false,
+      "type": "string"
+    },
     "SubscriptionIdParameter": {
       "name": "subscriptionId",
       "x-ms-parameter-location": "method",