diff --git a/specification/azsadmin/resource-manager/backup/Microsoft.Backup.Admin/preview/2018-09-01/Backups.json b/specification/azsadmin/resource-manager/backup/Microsoft.Backup.Admin/preview/2018-09-01/Backups.json
index dd53222fec97..81107ff2f113 100644
--- a/specification/azsadmin/resource-manager/backup/Microsoft.Backup.Admin/preview/2018-09-01/Backups.json
+++ b/specification/azsadmin/resource-manager/backup/Microsoft.Backup.Admin/preview/2018-09-01/Backups.json
@@ -99,6 +99,9 @@
         "x-ms-examples": {
           "Restore a backup.": {
             "$ref": "./examples/Backups/Restore.json"
+          },
+          "Restore a single role from backup.": {
+            "$ref": "./examples/Backups/SingleRepoRestore.json"
           }
         },
         "description": "Restore a backup.",
@@ -275,6 +278,10 @@
     "RestoreOptions": {
       "description": "Properties for restore options.",
       "properties": {
+        "roleName": {
+          "description": "The Azure Stack role name for restore, set it to empty for all infrastructure role",
+          "type": "string"
+        },
         "decryptionCertBase64": {
           "description": "The certificate file raw data in Base64 string. This should be the .pfx file with the private key.",
           "type": "string"
diff --git a/specification/azsadmin/resource-manager/backup/Microsoft.Backup.Admin/preview/2018-09-01/examples/Backups/SingleRepoRestore.json b/specification/azsadmin/resource-manager/backup/Microsoft.Backup.Admin/preview/2018-09-01/examples/Backups/SingleRepoRestore.json
new file mode 100644
index 000000000000..20be3535ee2b
--- /dev/null
+++ b/specification/azsadmin/resource-manager/backup/Microsoft.Backup.Admin/preview/2018-09-01/examples/Backups/SingleRepoRestore.json
@@ -0,0 +1,19 @@
+{
+    "parameters": {
+      "subscriptionId": "11111111-2222-3333-4444-555555555555",
+      "resourceGroupName": "System.local",
+      "location": "local",
+      "backup": "64e8625a-8dc0-49df-a195-932901b4be81",
+      "restoreOptions": {
+        "roleName": "fakerp",
+        "decryptionCertBase64": "decryptionCert",
+        "decryptionCertPassword": "decryptionCertPassword"
+      },
+      "api-version": "2018-09-01"
+    },
+    "responses": {
+      "200": {},
+      "202": {}
+    }
+  }
+  
\ No newline at end of file