diff --git a/schemas/2018-06-01/Microsoft.DataFactory.json b/schemas/2018-06-01/Microsoft.DataFactory.json
index 7a1b2928c2..0c72cff6d8 100644
--- a/schemas/2018-06-01/Microsoft.DataFactory.json
+++ b/schemas/2018-06-01/Microsoft.DataFactory.json
@@ -8665,6 +8665,9 @@
         {
           "$ref": "#/definitions/MappingDataFlow"
         },
+        {
+          "$ref": "#/definitions/Flowlet"
+        },
         {
           "$ref": "#/definitions/WranglingDataFlow"
         }
@@ -8780,6 +8783,17 @@
           "type": "string",
           "description": "Transformation description."
         },
+        "flowlet": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/DataFlowReference"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Data flow reference type."
+        },
         "linkedService": {
           "oneOf": [
             {
@@ -8830,6 +8844,17 @@
           "type": "string",
           "description": "Transformation description."
         },
+        "flowlet": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/DataFlowReference"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Data flow reference type."
+        },
         "linkedService": {
           "oneOf": [
             {
@@ -11633,6 +11658,20 @@
           ],
           "description": "Integration runtime reference type."
         },
+        "queries": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/PowerQuerySinkMapping"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "List of mapping for Power Query mashup query to sink dataset(s)."
+        },
         "runConcurrently": {
           "type": "object",
           "properties": {},
@@ -11651,7 +11690,7 @@
               "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
             }
           ],
-          "description": "List of Power Query activity sinks mapped to a queryName."
+          "description": "(Deprecated. Please use Queries). List of Power Query activity sinks mapped to a queryName."
         },
         "staging": {
           "oneOf": [
@@ -13002,6 +13041,118 @@
       ],
       "description": "Filter activity properties."
     },
+    "Flowlet": {
+      "type": "object",
+      "properties": {
+        "additionalProperties": {
+          "oneOf": [
+            {
+              "type": "object",
+              "additionalProperties": {
+                "type": "object",
+                "properties": {}
+              },
+              "properties": {}
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Unmatched properties from the message are deserialized this collection"
+        },
+        "type": {
+          "type": "string",
+          "enum": [
+            "Flowlet"
+          ]
+        },
+        "typeProperties": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/FlowletTypeProperties"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Flowlet type properties."
+        }
+      },
+      "required": [
+        "type"
+      ],
+      "description": "Data flow flowlet"
+    },
+    "FlowletTypeProperties": {
+      "type": "object",
+      "properties": {
+        "additionalProperties": {
+          "type": "object",
+          "properties": {}
+        },
+        "script": {
+          "type": "string",
+          "description": "Flowlet script."
+        },
+        "scriptLines": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Flowlet script lines."
+        },
+        "sinks": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/DataFlowSink"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "List of sinks in Flowlet."
+        },
+        "sources": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/DataFlowSource"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "List of sources in Flowlet."
+        },
+        "transformations": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/Transformation"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "List of transformations in Flowlet."
+        }
+      },
+      "description": "Flowlet type properties."
+    },
     "ForEachActivity": {
       "type": "object",
       "properties": {
@@ -18380,6 +18531,20 @@
           "type": "string",
           "description": "DataFlow script."
         },
+        "scriptLines": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Data flow script lines."
+        },
         "sinks": {
           "oneOf": [
             {
@@ -21750,6 +21915,17 @@
           "type": "string",
           "description": "Transformation description."
         },
+        "flowlet": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/DataFlowReference"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Data flow reference type."
+        },
         "linkedService": {
           "oneOf": [
             {
@@ -21786,6 +21962,30 @@
       ],
       "description": "Power query sink."
     },
+    "PowerQuerySinkMapping": {
+      "type": "object",
+      "properties": {
+        "dataflowSinks": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/PowerQuerySink"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "List of sinks mapped to Power Query mashup query."
+        },
+        "queryName": {
+          "type": "string",
+          "description": "Name of the query in Power Query mashup document."
+        }
+      },
+      "description": "Map Power Query mashup query to sink dataset(s)."
+    },
     "PowerQuerySource": {
       "type": "object",
       "properties": {
@@ -21804,6 +22004,17 @@
           "type": "string",
           "description": "Transformation description."
         },
+        "flowlet": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/DataFlowReference"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Data flow reference type."
+        },
         "linkedService": {
           "oneOf": [
             {
@@ -21843,6 +22054,10 @@
     "PowerQueryTypeProperties": {
       "type": "object",
       "properties": {
+        "documentLocale": {
+          "type": "string",
+          "description": "Locale of the Power query mashup document."
+        },
         "script": {
           "type": "string",
           "description": "Power query mashup script."
@@ -28149,6 +28364,17 @@
           "type": "string",
           "description": "Transformation description."
         },
+        "flowlet": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/DataFlowReference"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Data flow reference type."
+        },
         "name": {
           "type": "string",
           "description": "Transformation name."