diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Dataset.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Dataset.json
index f7a94e505a4e..50d116ec4d6c 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Dataset.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Dataset.json
@@ -1012,6 +1012,38 @@
         }
       }
     },
+    "CosmosDbSqlApiCollectionDataset": {
+      "x-ms-discriminator-value": "CosmosDbSqlApiCollection",
+      "description": "Microsoft Azure CosmosDB (SQL API) Collection dataset.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/Dataset"
+        }
+      ],
+      "properties": {
+        "typeProperties": {
+          "description": "CosmosDB (SQL API) Collection dataset properties.",
+          "x-ms-client-flatten": true,
+          "$ref": "#/definitions/CosmosDbSqlApiCollectionDatasetTypeProperties"
+        }
+      },
+      "required": [
+        "typeProperties"
+      ]
+    },
+    "CosmosDbSqlApiCollectionDatasetTypeProperties": {
+      "description": "CosmosDB (SQL API) Collection dataset properties.",
+      "properties": {
+        "collectionName": {
+          "type": "object",
+          "description": "CosmosDB (SQL API) collection name. Type: string (or Expression with resultType string)."
+        }
+      },
+      "required": [
+        "collectionName"
+      ]
+    },
     "DocumentDbCollectionDataset": {
       "x-ms-discriminator-value": "DocumentDbCollection",
       "description": "Microsoft Azure Document Database Collection dataset.",
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 511e67689dc6..0b6e9dcdb77a 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
@@ -482,18 +482,23 @@
           "description": "The connection string. Type: string, SecureString or AzureKeyVaultSecretReference.",
           "type": "object"
         },
+        "accountEndpoint": {
+          "description": "The endpoint of the Azure CosmosDB account. Type: string (or Expression with resultType string)",
+          "type": "object"
+        },
+        "database": {
+          "description": "The name of the database. Type: string (or Expression with resultType string)",
+          "type": "object"
+        },
         "accountKey": {
-          "$ref": "../datafactory.json#/definitions/AzureKeyVaultSecretReference",
-          "description": "The Azure key vault secret reference of accountKey in connection string."
+          "$ref": "../datafactory.json#/definitions/SecretBase",
+          "description": "The account key of the Azure CosmosDB account. Type: SecureString or AzureKeyVaultSecretReference."
         },
         "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)."
         }
-      },
-      "required": [
-        "connectionString"
-      ]
+      }
     },
     "DynamicsLinkedService": {
       "x-ms-discriminator-value": "Dynamics",
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 ab3bd70aa600..735b64dd0707 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
@@ -1051,6 +1051,33 @@
         }
       }
     },
+    "CosmosDbSqlApiSource": {
+      "description": "A copy activity Azure CosmosDB (SQL API) Collection source.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/CopySource"
+        }
+      ],
+      "properties": {
+        "query": {
+          "type": "object",
+          "description": "SQL API query. Type: string (or Expression with resultType string)."
+        },
+        "pageSize": {
+          "type": "object",
+          "description": "Page size of the result. Type: integer (or Expression with resultType integer)."
+        },
+        "preferredRegions": {
+          "type": "object",
+          "description": "Preferred regions. Type: array of strings (or Expression with resultType array of strings)."
+        },
+        "includeSystemColumns": {
+          "type": "object",
+          "description": "Whether includes system columns in result. Type: boolean (or Expression with resultType boolean)."
+        }
+      }
+    },
     "DynamicsSource": {
       "description": "A copy activity Dynamics source.",
       "type": "object",
@@ -2906,7 +2933,22 @@
         },
         "writeBehavior": {
           "type": "object",
-          "description": "Describes how to write data to Azure Cosmos DB. Allowed values: insert and upsert."
+          "description": "Describes how to write data to Azure Cosmos DB. Type: string (or Expression with resultType string). Allowed values: insert and upsert."
+        }
+      }
+    },
+    "CosmosDbSqlApiSink": {
+      "description": "A copy activity Azure CosmosDB (SQL API) Collection sink.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/CopySink"
+        }
+      ],
+      "properties": {
+        "writeBehavior": {
+          "type": "object",
+          "description": "Describes how to write data to Azure Cosmos DB. Type: string (or Expression with resultType string). Allowed values: insert and upsert."
         }
       }
     },