diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/datafactory.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/datafactory.json
index 9cfa78d3833d..32786cab9f67 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/datafactory.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/datafactory.json
@@ -4335,6 +4335,14 @@
           },
           "readOnly": true
         },
+        "runDimensions": {
+          "description": "Run dimensions emitted by Pipeline run.",
+          "type": "object",
+          "additionalProperties": {
+            "type": "string"
+          },
+          "readOnly": true
+        },
         "invokedBy": {
           "description": "Entity that started the pipeline run.",
           "$ref": "#/definitions/PipelineRunInvokedBy",
@@ -4574,6 +4582,22 @@
             "type": "string"
           },
           "readOnly": true
+        },
+        "runDimension": {
+          "description": "Run dimension for which trigger was fired.",
+          "type": "object",
+          "additionalProperties": {
+            "type": "string"
+          },
+          "readOnly": true
+        },
+        "dependencyStatus": {
+          "description": "Status of the upstream pipelines.",
+          "type": "object",
+          "additionalProperties": {
+            "type": "object"
+          },
+          "readOnly": true
         }
       },
       "additionalProperties": {
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 2ce9f0ee9dce..7a539a3133e3 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
@@ -41,6 +41,14 @@
             "type": "object"
           }
         },
+        "runDimensions": {
+          "description": "Dimensions emitted by Pipeline.",
+          "type": "object",
+          "additionalProperties": {
+            "type": "object",
+            "description": "Type: string (or Expression with resultType string)."
+          }
+        },
         "folder": {
           "description": "The folder that this Pipeline is in. If not specified, Pipeline will appear at the root level.",
           "type": "object",
diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Trigger.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Trigger.json
index d0671194aa21..6c66d196fad5 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Trigger.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Trigger.json
@@ -585,6 +585,46 @@
       "required": [
         "typeProperties"
       ]
+    },
+    "ChainingTrigger": {
+      "description": "Trigger that allows the referenced pipeline to depend on other pipeline runs based on runDimension Name/Value pairs. Upstream pipelines should declare the same runDimension Name and their runs should have the values for those runDimensions. The referenced pipeline run would be triggered if the values for the runDimension match for all upstream pipeline runs.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/Trigger"
+        }
+      ],
+      "properties": {
+        "pipeline": {
+          "$ref": "../datafactory.json#/definitions/TriggerPipelineReference",
+          "description": "Pipeline for which runs are created when all upstream pipelines complete successfully."
+        },
+        "typeProperties": {
+          "description": "Chaining Trigger properties.",
+          "x-ms-client-flatten": true,
+          "properties": {
+            "dependsOn": {
+              "type": "array",
+              "items": {
+                "$ref": "../datafactory.json#/definitions/PipelineReference"
+              },
+              "description": "Upstream Pipelines."
+            },
+            "runDimension": {
+              "description": "Run Dimension property that needs to be emitted by upstream pipelines.",
+              "type": "string"
+            }
+          },
+          "required": [
+            "runDimension",
+            "dependsOn"
+          ]
+        }
+      },
+      "required": [
+        "pipeline",
+        "typeProperties"
+      ]
     }
   }
 }
diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/examples/PipelineRuns_QueryByFactory.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/examples/PipelineRuns_QueryByFactory.json
index b110f2399a3f..8a2579b02242 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/examples/PipelineRuns_QueryByFactory.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/examples/PipelineRuns_QueryByFactory.json
@@ -45,7 +45,10 @@
             "status": "Succeeded",
             "message": "",
             "lastUpdated": "2018-06-16T00:38:12.7314495Z",
-            "annotations": []
+            "annotations": [],
+            "runDimension": {
+              "JobId": "79c1cc52-265f-41a5-9553-be65e736fbd3"
+            }	
           },
           {
             "runId": "16ac5348-ff82-4f95-a80d-638c1d47b721",
@@ -63,7 +66,10 @@
             "status": "Cancelled",
             "message": "",
             "lastUpdated": "2018-06-16T00:39:51.216097Z",
-            "annotations": []
+            "annotations": [],
+            "runDimension": {
+              "JobId": "84a3c493-0628-4b44-852f-ef5b3a11bdab"
+            }
           }
         ]
       }
diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/examples/Pipelines_Create.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/examples/Pipelines_Create.json
index 9d0a1ba448e3..244732eeda4b 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/examples/Pipelines_Create.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/examples/Pipelines_Create.json
@@ -61,12 +61,21 @@
         "parameters": {
           "OutputBlobNameList": {
             "type": "Array"
+          },
+          "JobId": {
+            "type": "String"
           }
         },
         "variables": {
           "TestVariableArray": {
             "type": "Array"
           }
+        },
+        "runDimensions": {
+          "JobId": {
+            "value": "@pipeline().parameters.JobId",
+            "type": "Expression"
+          }
         }
       }
     },
@@ -140,12 +149,21 @@
           "parameters": {
             "OutputBlobNameList": {
               "type": "Array"
+            },
+            "JobId": {
+              "type": "String"
             }
           },
           "variables": {
             "TestVariableArray": {
               "type": "Array"
             }
+          },
+          "runDimensions": {
+            "JobId": {
+              "value": "@pipeline().parameters.JobId",
+              "type": "Expression"
+            }
           }
         },
         "etag": "0a0069d4-0000-0000-0000-5b245bd50000"