diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
index d9995df91fee..70ec6c7fa6bd 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
@@ -571,6 +571,10 @@
         "encryptedCredential": {
           "type": "object",
           "description": "The encrypted credential used for authentication. Credentials are encrypted using the integration runtime credential manager. Type: string (or Expression with resultType string)."
+        },
+        "isEspEnabled": {
+          "type": "object",
+          "description": "Specify if the HDInsight is created with ESP (Enterprise Security Package). Type: Boolean."
         }
       },
       "required": [
diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
index 14d232b10bfb..619a7b9597a5 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
@@ -1719,6 +1719,18 @@
             "type": "object",
             "description": "Type: string (or Expression with resultType string)."
           }
+        },
+        "variables": {
+          "description": "User specified arguments under hivevar namespace.",
+          "type": "array",
+          "items": {
+            "type": "object",
+            "description": "Type: string (or Expression with resultType string)."
+          }
+        },
+        "queryTimeout": {
+          "type": "integer",
+          "description": "Query timeout value (in minutes).  Effective when the HDInsight culster is with ESP (Enterprise Security Package)"
         }
       }
     },