diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/CalculateExchange.json b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/CalculateExchange.json
new file mode 100644
index 000000000000..837b447ce47d
--- /dev/null
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/CalculateExchange.json
@@ -0,0 +1,123 @@
+{
+  "parameters": {
+    "api-version": "2021-07-01",
+    "body": {
+      "properties": {
+        "reservationsToPurchase": [
+          {
+            "sku": {
+              "name": "Standard_B1ls"
+            },
+            "location": "westus",
+            "properties": {
+              "reservedResourceType": "VirtualMachines",
+              "billingScopeId": "/subscriptions/ed3a1871-612d-abcd-a849-c2542a68be83",
+              "term": "P1Y",
+              "billingPlan": "Upfront",
+              "quantity": 1,
+              "displayName": "testDisplayName",
+              "appliedScopeType": "Shared",
+              "appliedScopes": null,
+              "renew": false,
+              "reservedResourceProperties": {
+                "instanceFlexibility": "On"
+              }
+            }
+          }
+        ],
+        "reservationsToExchange": [
+          {
+            "reservationId": "/providers/microsoft.capacity/reservationOrders/1f14354c-dc12-4c8d-8090-6f295a3a34aa/reservations/c8c926bd-fc5d-4e29-9d43-b68340ac23a6",
+            "quantity": 1
+          }
+        ]
+      }
+    }
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "id": "/providers/microsoft.capacity/operationResults/4e2ffff7-b331-4fcb-ab11-b5fa49368188",
+        "name": "4e2ffff7-b331-4fcb-ab11-b5fa49368188",
+        "status": "Succeeded",
+        "properties": {
+          "sessionId": "66e2ac8f-439e-4345-8235-6fef07608081",
+          "netPayable": {
+            "currencyCode": "USD",
+            "amount": 15840.0
+          },
+          "refundsTotal": {
+            "currencyCode": "USD",
+            "amount": 3960.0
+          },
+          "purchasesTotal": {
+            "currencyCode": "USD",
+            "amount": 19800.0
+          },
+          "policyResult": {
+            "policyErrors": null
+          },
+          "reservationsToPurchase": [
+            {
+              "properties": {
+                "sku": {
+                  "name": "Standard_B1ls"
+                },
+                "location": "westus",
+                "properties": {
+                  "reservedResourceType": "VirtualMachines",
+                  "billingScopeId": "/subscriptions/ed3a1871-612d-abcd-a849-c2542a68be83",
+                  "term": "P1Y",
+                  "billingPlan": "Upfront",
+                  "quantity": 1,
+                  "displayName": "testDisplayName",
+                  "appliedScopeType": "Shared",
+                  "appliedScopes": null,
+                  "renew": false,
+                  "reservedResourceProperties": {
+                    "instanceFlexibility": "On"
+                  }
+                }
+              },
+              "billingCurrencyTotal": {
+                "currencyCode": "USD",
+                "amount": 19800.0
+              }
+            }
+          ],
+          "reservationsToExchange": [
+            {
+              "reservationId": "/providers/microsoft.capacity/reservationOrders/1f14354c-dc12-4c8d-8090-6f295a3a34aa/reservations/c8c926bd-fc5d-4e29-9d43-b68340ac23a6",
+              "quantity": 1,
+              "billingRefundAmount": {
+                "currencyCode": "USD",
+                "amount": 3960.0
+              },
+              "billingInformation": {
+                "billingCurrencyTotalPaidAmount": {
+                  "currencyCode": "USD",
+                  "amount": 19800.0
+                },
+                "billingCurrencyProratedAmount": {
+                  "currencyCode": "USD",
+                  "amount": 15840.0
+                },
+                "billingCurrencyRemainingCommitmentAmount": {
+                  "currencyCode": "USD",
+                  "amount": 0.0
+                }
+              }
+            }
+          ]
+        }
+      }
+    },
+    "202": {
+      "headers": {
+        "Azure-AsyncOperation": "https://management.azure.com/Microsoft.Capacity/operationResults/4e2ffff7-b331-4fcb-ab11-b5fa49368188?api-version=2021-07-01",
+        "Location": "https://management.azure.com/Microsoft.Capacity/operationResults/4e2ffff7-b331-4fcb-ab11-b5fa49368188?api-version=2021-07-01",
+        "Retry-After": 5
+      }
+    }
+  }
+}
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/ChangeDirectoryReservationOrder.json b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/ChangeDirectoryReservationOrder.json
new file mode 100644
index 000000000000..e34e6bb268d7
--- /dev/null
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/ChangeDirectoryReservationOrder.json
@@ -0,0 +1,29 @@
+{
+  "parameters": {
+    "api-version": "2021-07-01",
+    "reservationOrderId": "a075419f-44cc-497f-b68a-14ee811d48b9",
+    "body": {
+      "destinationTenantId": "906655ea-30be-4587-9d12-b50e077b0f32"
+    }
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "reservationOrder": {
+          "id": "a075419f-44cc-497f-b68a-14ee811d48b9",
+          "name": "VM_RI_10-02-2020_15-21",
+          "isSucceeded": true,
+          "error": "error string"
+        },
+        "reservations": [
+          {
+            "id": "1f14354c-dc12-4c8d-8090-6f295a3a34aa",
+            "name": "VM_RI_10-02-2020_15-21",
+            "isSucceeded": true,
+            "error": "error string"
+          }
+        ]
+      }
+    }
+  }
+}
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/Exchange.json b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/Exchange.json
new file mode 100644
index 000000000000..06d2afe8eca3
--- /dev/null
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/Exchange.json
@@ -0,0 +1,100 @@
+{
+  "parameters": {
+    "api-version": "2021-07-01",
+    "body": {
+      "properties": {
+        "sessionId": "66e2ac8f-439e-4345-8235-6fef07608081"
+      }
+    }
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "id": "/providers/microsoft.capacity/operationResults/4e2ffff7-b331-4fcb-ab11-b5fa49368188",
+        "name": "4e2ffff7-b331-4fcb-ab11-b5fa49368188",
+        "status": "Succeeded",
+        "properties": {
+          "sessionId": "66e2ac8f-439e-4345-8235-6fef07608081",
+          "netPayable": {
+            "currencyCode": "USD",
+            "amount": 15840.0
+          },
+          "refundsTotal": {
+            "currencyCode": "USD",
+            "amount": 3960.0
+          },
+          "purchasesTotal": {
+            "currencyCode": "USD",
+            "amount": 19800.0
+          },
+          "policyResult": {
+            "policyErrors": null
+          },
+          "reservationsToPurchase": [
+            {
+              "reservationOrderId": "/providers/microsoft.capacity/reservationOrders/1e85c519-b815-4169-8d79-62fc460c608f",
+              "reservationId": "/providers/microsoft.capacity/reservationOrders/1e85c519-b815-4169-8d79-62fc460c608f/reservations/0c80fceb-305c-40a8-b5a6-11445807bbb3",
+              "properties": {
+                "sku": {
+                  "name": "Standard_B1ls"
+                },
+                "location": "westus",
+                "properties": {
+                  "reservedResourceType": "VirtualMachines",
+                  "billingScopeId": "/subscriptions/ed3a1871-612d-abcd-a849-c2542a68be83",
+                  "term": "P1Y",
+                  "billingPlan": "Upfront",
+                  "quantity": 1,
+                  "displayName": "testDisplayName",
+                  "appliedScopeType": "Shared",
+                  "appliedScopes": null,
+                  "renew": false,
+                  "reservedResourceProperties": {
+                    "instanceFlexibility": "On"
+                  }
+                }
+              },
+              "billingCurrencyTotal": {
+                "currencyCode": "USD",
+                "amount": 19800.0
+              },
+              "status": "Succeeded"
+            }
+          ],
+          "reservationsToExchange": [
+            {
+              "reservationId": "/providers/microsoft.capacity/reservationOrders/1f14354c-dc12-4c8d-8090-6f295a3a34aa/reservations/c8c926bd-fc5d-4e29-9d43-b68340ac23a6",
+              "quantity": 1,
+              "billingRefundAmount": {
+                "currencyCode": "USD",
+                "amount": 3960.0
+              },
+              "billingInformation": {
+                "billingCurrencyTotalPaidAmount": {
+                  "currencyCode": "USD",
+                  "amount": 19800.0
+                },
+                "billingCurrencyProratedAmount": {
+                  "currencyCode": "USD",
+                  "amount": 15840.0
+                },
+                "billingCurrencyRemainingCommitmentAmount": {
+                  "currencyCode": "USD",
+                  "amount": 0.0
+                }
+              },
+              "status": "Succeeded"
+            }
+          ]
+        }
+      }
+    },
+    "202": {
+      "headers": {
+        "Azure-AsyncOperation": "https://management.azure.com/Microsoft.Capacity/operationResults/4e2ffff7-b331-4fcb-ab11-b5fa49368188?api-version=2021-07-01",
+        "Location": "https://management.azure.com/Microsoft.Capacity/operationResults/4e2ffff7-b331-4fcb-ab11-b5fa49368188?api-version=2021-07-01",
+        "Retry-After": 5
+      }
+    }
+  }
+}
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/GetAvailableScope.json b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/GetAvailableScope.json
new file mode 100644
index 000000000000..98a8f3796239
--- /dev/null
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/GetAvailableScope.json
@@ -0,0 +1,28 @@
+{
+  "parameters": {
+    "api-version": "2021-07-01",
+    "reservationOrderId": "276e7ae4-84d0-4da6-ab4b-d6b94f3557da",
+    "reservationId": "356e7ae4-84d0-4da6-ab4b-d6b94f3557da",
+    "body": {
+      "properties": {
+        "scopes": [
+          "/subscriptions/efc7c997-7700-4a74-b731-55aec16c15e9"
+        ]
+      }
+    }
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "properties": {
+          "scopes": [
+            {
+              "scope": "/subscriptions/efc7c997-7700-4a74-b731-55aec16c15e9",
+              "valid": true
+            }
+          ]
+        }
+      }
+    }
+  }
+}
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/GetReservationsFromOrder.json b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/GetReservationsFromOrder.json
index 297f29b20a54..dd006a2180da 100644
--- a/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/GetReservationsFromOrder.json
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/examples/GetReservationsFromOrder.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-10-01-preview",
+    "api-version": "2021-07-01",
     "reservationOrderId": "276e7ae4-84d0-4da6-ab4b-d6b94f3557da"
   },
   "responses": {
diff --git a/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/reservations.json b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/reservations.json
index 03c4db0ffaad..0d1650740891 100644
--- a/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/reservations.json
+++ b/specification/reservations/resource-manager/Microsoft.Capacity/stable/2021-07-01/reservations.json
@@ -27,6 +27,50 @@
     }
   },
   "paths": {
+    "/providers/Microsoft.Capacity/reservationOrders/{reservationOrderId}/reservations/{reservationId}/availableScopes": {
+      "post": {
+        "summary": "Get Available Scopes for `Reservation`.",
+        "description": "Get Available Scopes for `Reservation`.\n",
+        "operationId": "Reservation_AvailableScopes",
+        "x-ms-examples": {
+          "AvailableScopes": {
+            "$ref": "./examples/GetAvailableScope.json"
+          }
+        },
+        "x-ms-long-running-operation": true,
+        "parameters": [
+          {
+            "$ref": "#/parameters/ReservationOrderIdParameter"
+          },
+          {
+            "$ref": "#/parameters/ReservationIdParameter"
+          },
+          {
+            "$ref": "#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "#/parameters/ScopeParameter"
+          }
+        ],
+        "tags": [
+          "Reservation, AvailableScopes"
+        ],
+        "responses": {
+          "200": {
+            "description": "List of `Subscription`s created after the filter.",
+            "schema": {
+              "$ref": "#/definitions/AvailableScopeProperties"
+            }
+          },
+          "default": {
+            "description": "Unexpected error",
+            "schema": {
+              "$ref": "#/definitions/Error"
+            }
+          }
+        }
+      }
+    },
     "/subscriptions/{subscriptionId}/providers/Microsoft.Capacity/catalogs": {
       "get": {
         "summary": "Get the regions and skus that are available for RI purchase for the specified Azure subscription.",
@@ -587,6 +631,124 @@
         }
       }
     },
+    "/providers/Microsoft.Capacity/calculateExchange": {
+      "post": {
+        "summary": "Calculates the refund amounts and price of the new purchases.",
+        "description": "Calculates price for exchanging `Reservations` if there are no policy errors.\n",
+        "operationId": "CalculateExchange_Post",
+        "x-ms-examples": {
+          "CalculateExchange": {
+            "$ref": "./examples/CalculateExchange.json"
+          }
+        },
+        "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "azure-async-operation"
+        },
+        "parameters": [
+          {
+            "$ref": "#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "#/parameters/CalculateExchangeRequestParameter"
+          }
+        ],
+        "tags": [
+          "Exchange"
+        ],
+        "responses": {
+          "200": {
+            "description": "The request is completed.",
+            "schema": {
+              "$ref": "#/definitions/CalculateExchangeOperationResultResponse"
+            }
+          },
+          "202": {
+            "description": "The request is accepted and is being processed.",
+            "headers": {
+              "Azure-AsyncOperation": {
+                "type": "string",
+                "description": "URL for checking the ongoing status of the operation."
+              },
+              "Location": {
+                "type": "string",
+                "description": "URL for determining when an operation has completed. Only use this value only when Azure-AsyncOperation isn't returned."
+              },
+              "Retry-After": {
+                "type": "integer",
+                "format": "int32",
+                "description": "Clients should wait for the Retry-After interval before polling again"
+              }
+            }
+          },
+          "default": {
+            "description": "Unexpected error",
+            "schema": {
+              "$ref": "#/definitions/Error"
+            }
+          }
+        }
+      }
+    },
+    "/providers/Microsoft.Capacity/exchange": {
+      "post": {
+        "summary": "Exchange Reservation(s)",
+        "description": "Returns one or more `Reservations` in exchange for one or more `Reservation` purchases.\n",
+        "operationId": "Exchange_Post",
+        "x-ms-examples": {
+          "Exchange": {
+            "$ref": "./examples/Exchange.json"
+          }
+        },
+        "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "azure-async-operation"
+        },
+        "parameters": [
+          {
+            "$ref": "#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "#/parameters/ExchangeRequestParameter"
+          }
+        ],
+        "tags": [
+          "Exchange"
+        ],
+        "responses": {
+          "200": {
+            "description": "The request is completed.",
+            "schema": {
+              "$ref": "#/definitions/ExchangeOperationResultResponse"
+            }
+          },
+          "202": {
+            "description": "The request is accepted and is being processed.",
+            "headers": {
+              "Azure-AsyncOperation": {
+                "type": "string",
+                "description": "URL for checking the ongoing status of the operation."
+              },
+              "Location": {
+                "type": "string",
+                "description": "URL for determining when an operation has completed. Only use this value only when Azure-AsyncOperation isn't returned."
+              },
+              "Retry-After": {
+                "type": "integer",
+                "format": "int32",
+                "description": "Clients should wait for the Retry-After interval before polling again"
+              }
+            }
+          },
+          "default": {
+            "description": "Unexpected error",
+            "schema": {
+              "$ref": "#/definitions/Error"
+            }
+          }
+        }
+      }
+    },
     "/providers/Microsoft.Capacity/reservations": {
       "get": {
         "description": "List the reservations and the roll up counts of reservations group by provisioning states that the user has access to in the current tenant.",
@@ -661,6 +823,46 @@
           "nextLinkName": "nextLink"
         }
       }
+    },
+    "/providers/Microsoft.Capacity/reservationOrders/{reservationOrderId}/changeDirectory": {
+      "post": {
+        "summary": "Change directory of `ReservationOrder`.",
+        "description": "Change directory (tenant) of `ReservationOrder` and all `Reservation` under it to specified tenant id",
+        "operationId": "ReservationOrder_ChangeDirectory",
+        "x-ms-examples": {
+          "ChangeDirectory": {
+            "$ref": "./examples/ChangeDirectoryReservationOrder.json"
+          }
+        },
+        "parameters": [
+          {
+            "$ref": "#/parameters/ReservationOrderIdParameter"
+          },
+          {
+            "$ref": "#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "#/parameters/ChangeDirectoryParameter"
+          }
+        ],
+        "tags": [
+          "ReservationOrder, ChangeDirectory"
+        ],
+        "responses": {
+          "200": {
+            "description": "List of `Reservation`s created after the change directory operation.",
+            "schema": {
+              "$ref": "#/definitions/ChangeDirectoryResponse"
+            }
+          },
+          "default": {
+            "description": "Unexpected error",
+            "schema": {
+              "$ref": "#/definitions/Error"
+            }
+          }
+        }
+      }
     }
   },
   "definitions": {
@@ -843,6 +1045,129 @@
         "westus3"
       ]
     },
+    "AvailableScopeRequest": {
+      "type": "object",
+      "description": "Available scope",
+      "properties": {
+        "properties": {
+          "$ref": "#/definitions/AvailableScopeRequestProperties"
+        }
+      }
+    },
+    "AvailableScopeRequestProperties": {
+      "type": "object",
+      "description": "Available scope request properties",
+      "properties": {
+        "scopes": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        }
+      }
+    },
+    "CalculateExchangeRequest": {
+      "type": "object",
+      "description": "Calculate exchange request",
+      "properties": {
+        "properties": {
+          "$ref": "#/definitions/CalculateExchangeRequestProperties"
+        }
+      }
+    },
+    "ExchangeRequest": {
+      "type": "object",
+      "description": "Exchange request",
+      "properties": {
+        "properties": {
+          "$ref": "#/definitions/ExchangeRequestProperties"
+        }
+      }
+    },
+    "CalculateExchangeRequestProperties": {
+      "type": "object",
+      "description": "Calculate exchange request properties",
+      "properties": {
+        "reservationsToPurchase": {
+          "type": "array",
+          "description": "List of reservations that are being purchased in this exchange.",
+          "items": {
+            "$ref": "#/definitions/PurchaseRequest"
+          }
+        },
+        "reservationsToExchange": {
+          "type": "array",
+          "description": "List of reservations that are being returned in this exchange.",
+          "items": {
+            "$ref": "#/definitions/ReservationToReturn"
+          }
+        }
+      }
+    },
+    "ExchangeRequestProperties": {
+      "type": "object",
+      "description": "Exchange request properties",
+      "properties": {
+        "sessionId": {
+          "type": "string",
+          "description": "SessionId that was returned by CalculateExchange API."
+        }
+      }
+    },
+    "ReservationToReturn": {
+      "type": "object",
+      "description": "Reservation to return",
+      "properties": {
+        "reservationId": {
+          "type": "string",
+          "description": "Fully qualified identifier of the Reservation being returned"
+        },
+        "quantity": {
+          "type": "integer",
+          "format": "int32",
+          "description": "Quantity to be returned. Must be greater than zero."
+        }
+      }
+    },
+    "ReservationToReturnForExchange": {
+      "type": "object",
+      "description": "Reservation refund details",
+      "properties": {
+        "reservationId": {
+          "type": "string",
+          "description": "Fully qualified id of the Reservation being returned."
+        },
+        "quantity": {
+          "type": "integer",
+          "format": "int32",
+          "description": "Quantity to be returned"
+        },
+        "billingRefundAmount": {
+          "$ref": "#/definitions/Price"
+        },
+        "billingInformation": {
+          "$ref": "#/definitions/BillingInformation"
+        },
+        "status": {
+          "$ref": "#/definitions/OperationStatus"
+        }
+      }
+    },
+    "BillingInformation": {
+      "type": "object",
+      "description": "billing information",
+      "properties": {
+        "billingCurrencyTotalPaidAmount": {
+          "$ref": "#/definitions/Price"
+        },
+        "billingCurrencyProratedAmount": {
+          "$ref": "#/definitions/Price"
+        },
+        "billingCurrencyRemainingCommitmentAmount": {
+          "$ref": "#/definitions/Price"
+        }
+      }
+    },
     "Catalog": {
       "type": "object",
       "properties": {
@@ -1217,6 +1542,36 @@
       "format": "int32",
       "description": "Quantity of the SKUs that are part of the Reservation. Must be greater than zero."
     },
+    "AvailableScopeProperties": {
+      "type": "object",
+      "properties": {
+        "properties": {
+          "$ref": "#/definitions/SubscriptionScopeProperties"
+        }
+      }
+    },
+    "SubscriptionScopeProperties": {
+      "type": "object",
+      "properties": {
+        "scopes": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/ScopeProperties"
+          }
+        }
+      }
+    },
+    "ScopeProperties": {
+      "type": "object",
+      "properties": {
+        "scope": {
+          "type": "string"
+        },
+        "valid": {
+          "type": "boolean"
+        }
+      }
+    },
     "InstanceFlexibility": {
       "type": "string",
       "description": "Turning this on will apply the reservation discount to other VMs in the same VM size group. Only specify for VirtualMachines reserved resource type.",
@@ -1318,6 +1673,242 @@
         }
       }
     },
+    "CalculateExchangeOperationResultResponse": {
+      "type": "object",
+      "description": "CalculateExchange operation result",
+      "properties": {
+        "id": {
+          "type": "string",
+          "description": "It should match what is used to GET the operation result."
+        },
+        "name": {
+          "type": "string",
+          "description": "It must match the last segment of the id field, and will typically be a GUID / system generated value."
+        },
+        "status": {
+          "type": "string",
+          "description": "Status of the operation.",
+          "enum": [
+            "Succeeded",
+            "Failed",
+            "Cancelled",
+            "Pending"
+          ],
+          "x-ms-enum": {
+            "name": "CalculateExchangeOperationResultStatus",
+            "modelAsString": true
+          }
+        },
+        "properties": {
+          "$ref": "#/definitions/CalculateExchangeResponseProperties"
+        },
+        "error": {
+          "$ref": "#/definitions/OperationResultError"
+        }
+      }
+    },
+    "ExchangeOperationResultResponse": {
+      "type": "object",
+      "description": "Exchange operation result",
+      "properties": {
+        "id": {
+          "type": "string",
+          "description": "It should match what is used to GET the operation result."
+        },
+        "name": {
+          "type": "string",
+          "description": "It must match the last segment of the id field, and will typically be a GUID / system generated value."
+        },
+        "status": {
+          "type": "string",
+          "description": "Status of the operation.",
+          "enum": [
+            "Succeeded",
+            "Failed",
+            "Cancelled",
+            "PendingRefunds",
+            "PendingPurchases"
+          ],
+          "x-ms-enum": {
+            "name": "ExchangeOperationResultStatus",
+            "modelAsString": true
+          }
+        },
+        "properties": {
+          "$ref": "#/definitions/ExchangeResponseProperties"
+        },
+        "error": {
+          "$ref": "#/definitions/OperationResultError"
+        }
+      }
+    },
+    "OperationResultError": {
+      "type": "object",
+      "description": "Required if status == failed or status == canceled.",
+      "properties": {
+        "code": {
+          "type": "string",
+          "description": "Required if status == failed or status == cancelled. If status == failed, provide an invariant error code used for error troubleshooting, aggregation, and analysis."
+        },
+        "message": {
+          "type": "string",
+          "description": "Required if status == failed. Localized. If status == failed, provide an actionable error message indicating what error occurred, and what the user can do to address the issue."
+        }
+      }
+    },
+    "CalculateExchangeResponseProperties": {
+      "type": "object",
+      "description": "CalculateExchange response properties",
+      "properties": {
+        "sessionId": {
+          "type": "string",
+          "description": "Exchange session identifier"
+        },
+        "netPayable": {
+          "$ref": "#/definitions/Price"
+        },
+        "refundsTotal": {
+          "$ref": "#/definitions/Price"
+        },
+        "purchasesTotal": {
+          "$ref": "#/definitions/Price"
+        },
+        "reservationsToPurchase": {
+          "type": "array",
+          "description": "Details of the reservations being purchased",
+          "items": {
+            "$ref": "#/definitions/ReservationToPurchaseCalculateExchange"
+          }
+        },
+        "reservationsToExchange": {
+          "type": "array",
+          "description": "Details of the reservations being returned",
+          "items": {
+            "$ref": "#/definitions/ReservationToExchange"
+          }
+        },
+        "policyResult": {
+          "$ref": "#/definitions/ExchangePolicyErrors"
+        }
+      }
+    },
+    "ExchangeResponseProperties": {
+      "type": "object",
+      "description": "Exchange response properties",
+      "properties": {
+        "sessionId": {
+          "type": "string",
+          "description": "Exchange session identifier"
+        },
+        "netPayable": {
+          "$ref": "#/definitions/Price"
+        },
+        "refundsTotal": {
+          "$ref": "#/definitions/Price"
+        },
+        "purchasesTotal": {
+          "$ref": "#/definitions/Price"
+        },
+        "reservationsToPurchase": {
+          "type": "array",
+          "description": "Details of the reservations being purchased",
+          "items": {
+            "$ref": "#/definitions/ReservationToPurchaseExchange"
+          }
+        },
+        "reservationsToExchange": {
+          "type": "array",
+          "description": "Details of the reservations being returned",
+          "items": {
+            "$ref": "#/definitions/ReservationToReturnForExchange"
+          }
+        },
+        "policyResult": {
+          "$ref": "#/definitions/ExchangePolicyErrors"
+        }
+      }
+    },
+    "ExchangePolicyErrors": {
+      "type": "object",
+      "description": "Exchange policy errors",
+      "properties": {
+        "policyErrors": {
+          "type": "array",
+          "description": "Exchange Policy errors",
+          "items": {
+            "$ref": "#/definitions/ExchangePolicyError"
+          }
+        }
+      }
+    },
+    "ExchangePolicyError": {
+      "type": "object",
+      "description": "error details",
+      "properties": {
+        "code": {
+          "type": "string"
+        },
+        "message": {
+          "type": "string"
+        }
+      }
+    },
+    "ReservationToExchange": {
+      "type": "object",
+      "description": "Reservation refund details",
+      "properties": {
+        "reservationId": {
+          "type": "string",
+          "description": "Fully qualified id of the Reservation being returned."
+        },
+        "quantity": {
+          "type": "integer",
+          "format": "int32",
+          "description": "Quantity to be returned"
+        },
+        "billingRefundAmount": {
+          "$ref": "#/definitions/Price"
+        },
+        "billingInformation": {
+          "$ref": "#/definitions/BillingInformation"
+        }
+      }
+    },
+    "ReservationToPurchaseCalculateExchange": {
+      "type": "object",
+      "description": "Reservation purchase details",
+      "properties": {
+        "properties": {
+          "$ref": "#/definitions/PurchaseRequest"
+        },
+        "billingCurrencyTotal": {
+          "$ref": "#/definitions/Price"
+        }
+      }
+    },
+    "ReservationToPurchaseExchange": {
+      "type": "object",
+      "description": "Reservation purchase details",
+      "properties": {
+        "reservationOrderId": {
+          "type": "string",
+          "description": "Fully qualified id of the ReservationOrder being purchased"
+        },
+        "reservationId": {
+          "type": "string",
+          "description": "Fully qualified id of the Reservation being purchased. This value is only guaranteed to be non-null if the purchase is successful."
+        },
+        "properties": {
+          "$ref": "#/definitions/PurchaseRequest"
+        },
+        "billingCurrencyTotal": {
+          "$ref": "#/definitions/Price"
+        },
+        "status": {
+          "$ref": "#/definitions/OperationStatus"
+        }
+      }
+    },
     "ReservationsProperties": {
       "type": "object",
       "description": "The properties of the reservations",
@@ -2023,9 +2614,75 @@
           }
         }
       }
+    },
+    "ChangeDirectoryRequest": {
+      "type": "object",
+      "properties": {
+        "destinationTenantId": {
+          "description": "Tenant id GUID that reservation order is to be transferred to",
+          "type": "string"
+        }
+      }
+    },
+    "ChangeDirectoryResponse": {
+      "type": "object",
+      "description": "Change directory response",
+      "properties": {
+        "reservationOrder": {
+          "$ref": "#/definitions/ChangeDirectoryResult"
+        },
+        "reservations": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/ChangeDirectoryResult"
+          }
+        }
+      }
+    },
+    "ChangeDirectoryResult": {
+      "type": "object",
+      "description": "Change directory result for reservation order or reservation",
+      "properties": {
+        "id": {
+          "type": "string",
+          "description": "Identifier of the reservation order or reservation"
+        },
+        "name": {
+          "type": "string",
+          "description": "Name of the reservation order or reservation"
+        },
+        "isSucceeded": {
+          "description": "True if change directory operation succeeded on this reservation order or reservation",
+          "type": "boolean"
+        },
+        "error": {
+          "type": "string",
+          "description": "Error reason if operation failed. Null otherwise"
+        }
+      }
     }
   },
   "parameters": {
+    "CalculateExchangeRequestParameter": {
+      "name": "body",
+      "x-ms-parameter-location": "method",
+      "in": "body",
+      "required": true,
+      "description": "Request containing purchases and refunds that need to be executed.",
+      "schema": {
+        "$ref": "#/definitions/CalculateExchangeRequest"
+      }
+    },
+    "ExchangeRequestParameter": {
+      "name": "body",
+      "x-ms-parameter-location": "method",
+      "in": "body",
+      "required": true,
+      "description": "Request containing the refunds and purchases that need to be executed.",
+      "schema": {
+        "$ref": "#/definitions/ExchangeRequest"
+      }
+    },
     "PurchaseParameter": {
       "name": "body",
       "x-ms-parameter-location": "method",
@@ -2074,6 +2731,15 @@
         "$ref": "#/definitions/SplitRequest"
       }
     },
+    "ScopeParameter": {
+      "name": "body",
+      "x-ms-parameter-location": "method",
+      "in": "body",
+      "required": true,
+      "schema": {
+        "$ref": "#/definitions/AvailableScopeRequest"
+      }
+    },
     "ApiVersionParameter": {
       "name": "api-version",
       "in": "query",
@@ -2120,6 +2786,16 @@
       "required": true,
       "type": "string",
       "description": "Order Id of the reservation"
+    },
+    "ChangeDirectoryParameter": {
+      "name": "body",
+      "x-ms-parameter-location": "method",
+      "in": "body",
+      "required": true,
+      "description": "Information needed to change directory of reservation order",
+      "schema": {
+        "$ref": "#/definitions/ChangeDirectoryRequest"
+      }
     }
   }
 }