diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Dataset.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Dataset.json
index fa8f4d403918..d41f53fbd94d 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Dataset.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Dataset.json
@@ -681,6 +681,43 @@
       "required": [
         "location"
       ]
+    },
+	"JsonDataset": {
+	  "x-ms-discriminator-value": "Json",
+      "description": "Json dataset.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/Dataset"
+        }
+      ],
+      "properties": {
+        "typeProperties": {
+          "description": "Json dataset properties.",
+          "x-ms-client-flatten": true,
+          "$ref": "#/definitions/JsonDatasetTypeProperties"
+        }
+      }
+    },
+    "JsonDatasetTypeProperties": {
+      "description": "Json dataset properties.",
+      "properties": {
+        "location": {
+          "$ref": "#/definitions/DatasetLocation",
+          "description": "The location of the json data storage."
+        },
+        "encodingName": {
+          "type": "object",
+          "description": "The code page name of the preferred encoding. If not specified, the default value is UTF-8, unless BOM denotes another Unicode encoding. Refer to the name column of the table in the following link to set supported values: https://msdn.microsoft.com/library/system.text.encoding.aspx. Type: string (or Expression with resultType string)."
+        },
+        "compression": {
+          "description": "The data compression method used for the json dataset.",
+          "$ref": "#/definitions/DatasetCompression"
+        }
+      },
+      "required": [
+        "location"
+      ]
     },
     "BinaryDataset": {
       "x-ms-discriminator-value": "Binary",
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 7ea44c70f4b5..09d6de332c81 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
@@ -675,6 +675,29 @@
       "required": [
         "fileExtension"
       ]
+    },
+	"JsonWriteSettings": {
+      "description": "Json write settings.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/FormatWriteSettings"
+        }
+      ],
+      "properties": {
+        "filePattern": {
+          "description": "File pattern of JSON. This setting controls the way a collection of JSON objects will be treated. The default value is 'setOfObjects'. It is case-sensitive.",
+          "type": "string",
+          "enum": [
+            "setOfObjects",
+            "arrayOfObjects"
+          ],
+          "x-ms-enum": {
+            "name": "JsonWriteFilePattern",
+            "modelAsString": true
+          }
+        }
+      }
     },
     "AvroSource": {
       "description": "A copy activity Avro source.",
@@ -724,6 +747,21 @@
           "description": "DelimitedText format settings."
         }
       }
+    },
+	"JsonSource": {
+      "description": "A copy activity Json source.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/CopySource"
+        }
+      ],
+      "properties": {
+        "storeSettings": {
+          "$ref": "#/definitions/StoreReadSettings",
+          "description": "Json store settings."
+        }
+      }
     },
     "DelimitedTextSink": {
       "description": "A copy activity DelimitedText sink.",
@@ -743,6 +781,25 @@
           "description": "DelimitedText format settings."
         }
       }
+    },
+	"JsonSink": {
+      "description": "A copy activity Json sink.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/CopySink"
+        }
+      ],
+      "properties": {
+        "storeSettings": {
+          "$ref": "#/definitions/StoreWriteSettings",
+          "description": "Json store settings."
+        },
+        "formatSettings": {
+          "$ref": "#/definitions/JsonWriteSettings",
+          "description": "Json format settings."
+        }
+      }
     },
     "CopyActivity": {
       "x-ms-discriminator-value": "Copy",