diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/preview/2017-09-01-preview/entityTypes/Pipeline.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/preview/2017-09-01-preview/entityTypes/Pipeline.json
index 89a0f710b4cb..62a818f6c522 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/preview/2017-09-01-preview/entityTypes/Pipeline.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/preview/2017-09-01-preview/entityTypes/Pipeline.json
@@ -2019,12 +2019,47 @@
           "type": "string"
         },
         "environmentPath": {
-          "description": "The environment path to execution the SSIS package.",
+          "description": "The environment path to execute the SSIS package.",
           "type": "string"
         },
         "connectVia": {
           "description": "The integration runtime reference.",
           "$ref": "../datafactory.json#/definitions/IntegrationRuntimeReference"
+        },
+        "projectParameters": {
+          "description": "The project level parameters to execute the SSIS package.",
+          "type": "object",
+          "additionalProperties": {
+            "$ref": "#/definitions/SSISExecutionParameter"
+          }
+        },
+        "packageParameters": {
+          "description": "The package level parameters to execute the SSIS package.",
+          "type": "object",
+          "additionalProperties": {
+            "$ref": "#/definitions/SSISExecutionParameter"
+          }
+        },
+        "projectConnectionManagers": {
+          "description": "The project level connection managers to execute the SSIS package.",
+          "type": "object",
+          "additionalProperties": {
+            "$ref": "#/definitions/SSISConnectionManager"
+          }
+        },
+        "packageConnectionManagers": {
+          "description": "The package level connection managers to execute the SSIS package.",
+          "type": "object",
+          "additionalProperties": {
+            "$ref": "#/definitions/SSISConnectionManager"
+          }
+        },
+        "propertyOverrides": {
+          "description": "The property overrides to execute the SSIS package.",
+          "type": "object",
+          "additionalProperties": {
+            "$ref": "#/definitions/SSISPropertyOverride"
+          }
         }
       },
       "required": [
@@ -2045,6 +2080,43 @@
         "packagePath"
       ]
     },
+    "SSISConnectionManager": {
+      "description": "SSIS Connection Manager.",
+      "type": "object",
+      "additionalProperties": {
+        "$ref": "#/definitions/SSISExecutionParameter"
+      }
+    },
+    "SSISExecutionParameter": {
+      "description": "SSIS execution parameter.",
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "object",
+          "description": "SSIS package execution parameter value. Type: string (or Expression with resultType string)."
+        }
+      },
+      "required": [
+        "value"
+      ]
+    },
+    "SSISPropertyOverride": {
+      "description": "SSIS property override.",
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "object",
+          "description": "SSIS package property override value. Type: string (or Expression with resultType string)."
+        },
+        "isSensitive": {
+          "type": "boolean",
+          "description": "Whether SSIS package property override value is sensitive data. Value will be encrypted in SSISDB if it is true"
+        }
+      },
+      "required": [
+        "value"
+      ]
+    },
     "CustomActivity": {
       "description": "Custom activity type.",
       "x-ms-discriminator-value": "Custom",