diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
index adc9894777c5..f6c6c78b0d7b 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
@@ -2689,6 +2689,10 @@
     "AmazonS3LinkedServiceTypeProperties": {
       "description": "Amazon S3 linked service properties.",
       "properties": {
+        "authenticationType": {
+          "type": "object",
+          "description": "The authentication type of S3. Allowed value: AccessKey (default) or TemporarySecurityCredentials. Type: string (or Expression with resultType string)."
+        },
         "accessKeyId": {
           "type": "object",
           "description": "The access key identifier of the Amazon S3 Identity and Access Management (IAM) user. Type: string (or Expression with resultType string)."
@@ -2701,6 +2705,10 @@
           "type": "object",
           "description": "This value specifies the endpoint to access with the S3 Connector. This is an optional property; change it only if you want to try a different service endpoint or want to switch between https and http. Type: string (or Expression with resultType string)."
         },
+        "sessionToken": {
+          "type": "object",
+          "description": "The session token for the S3 temporary security credential. Type: string (or Expression with resultType string)."
+        },
         "encryptedCredential": {
           "type": "object",
           "description": "The encrypted credential used for authentication. Credentials are encrypted using the integration runtime credential manager. Type: string (or Expression with resultType string)."
@@ -3281,6 +3289,10 @@
     "ConcurLinkedServiceTypeProperties": {
       "description": "Concur Service linked service properties.",
       "properties": {
+        "connectionProperties": {
+          "description": "Properties used to connect to Concur. It is mutually exclusive with any other properties in the linked service. Type: object.",
+          "type": "object"
+        },
         "clientId": {
           "description": "Application client_id supplied by Concur App Management.",
           "type": "object"
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 7b100ca81dbd..0e319987eced 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
@@ -1475,9 +1475,13 @@
           "$ref": "#/definitions/RedirectIncompatibleRowSettings"
         },
         "logStorageSettings": {
-          "description": "Log storage settings customer need to provide when enabling session log.",
+          "description": "(Deprecated. Please use LogSettings) Log storage settings customer need to provide when enabling session log.",
           "$ref": "#/definitions/LogStorageSettings"
         },
+        "logSettings": {
+          "description": "Log settings customer needs provide when enabling log.",
+          "$ref": "#/definitions/LogSettings"
+        },
         "preserveRules": {
           "type": "array",
           "items": {
@@ -4332,7 +4336,7 @@
       }
     },
     "LogStorageSettings": {
-      "description": "Log storage settings.",
+      "description": "(Deprecated. Please use LogSettings) Log storage settings.",
       "type": "object",
       "properties": {
         "linkedServiceName": {
@@ -4359,6 +4363,58 @@
         "linkedServiceName"
       ]
     },
+    "LogSettings": {
+      "description": "Log settings.",
+      "type": "object",
+      "properties": {
+        "enableCopyActivityLog": {
+          "type": "object",
+          "description": "Specifies whether to enable copy activity log. Type: boolean (or Expression with resultType boolean)."
+        },
+        "copyActivityLogSettings": {
+          "description": "Specifies settings for copy activity log.",
+          "$ref": "#/definitions/CopyActivityLogSettings"
+        },
+        "logLocationSettings": {
+          "description": "Log location settings customer needs to provide when enabling log.",
+          "$ref": "#/definitions/LogLocationSettings"
+        }
+      },
+      "required": [
+        "logLocationSettings"
+      ]
+    },
+    "LogLocationSettings": {
+      "description": "Log location settings.",
+      "type": "object",
+      "properties": {
+        "linkedServiceName": {
+          "description": "Log storage linked service reference.",
+          "$ref": "../datafactory.json#/definitions/LinkedServiceReference"
+        },
+        "path": {
+          "type": "object",
+          "description": "The path to storage for storing detailed logs of activity execution. Type: string (or Expression with resultType string)."
+        }
+      },
+      "required": [
+        "linkedServiceName"
+      ]
+    },
+    "CopyActivityLogSettings": {
+      "description": "Settings for copy activity log.",
+      "type": "object",
+      "properties": {
+        "logLevel": {
+          "type": "object",
+          "description": "Gets or sets the log level, support: Info, Warning. Type: string (or Expression with resultType string)."
+        },
+        "enableReliableLogging": {
+          "type": "object",
+          "description": "Specifies whether to enable reliable logging. Type: boolean (or Expression with resultType boolean)."
+        }
+      }
+    },
     "StagingSettings": {
       "description": "Staging settings.",
       "type": "object",