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 a5075848c6bf..8a2496cf577d 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
@@ -779,6 +779,10 @@
         "distcpSettings": {
           "description": "Specifies Distcp-related settings.",
           "$ref": "#/definitions/DistcpSettings"
+        },
+        "deleteFilesAfterCompletion": {
+          "type": "object",
+          "description": "Indicates whether the source files need to be deleted after copy completion. Default is false. Type: boolean (or Expression with resultType boolean)."
         }
       }
     },