Add notes for bucket name and folder path

Author: linda33wj

articles/data-factory/connector-amazon-simple-storage-service.md

@@ -9,7 +9,7 @@ ms.reviewer: douglasl
 ms.service: data-factory
 ms.workload: data-services
 ms.topic: conceptual
-ms.date: 09/13/2018
+ms.date: 11/08/2018
 ms.author: jingwang
 
 ---
@@ -90,7 +90,7 @@ To copy data from Amazon S3, set the type property of the dataset to **AmazonS3O
 | Property | Description | Required |
 |:--- |:--- |:--- |
 | type | The type property of the dataset must be set to: **AmazonS3Object** |Yes |
-| bucketName | The S3 bucket name. Wildcard filter is not supported. |Yes |
+| bucketName | The S3 bucket name. Wildcard filter is not supported. |Yes for Copy activity, No for Lookup/GetMetadta activity |
 | key | The **name or wildcard filter** of S3 object key under the specified bucket. Applies only when "prefix" property is not specified. <br/><br/>The wildcard filter is only supported for file name part but not folder part. Allowed wildcards are: `*` (matches zero or more characters) and `?` (matches zero or single character).<br/>- Example 1: `"key": "rootfolder/subfolder/*.csv"`<br/>- Example 2: `"key": "rootfolder/subfolder/???20180427.txt"`<br/>Use `^` to escape if your actual file name has wildcard or this escape char inside. |No |
 | prefix | Prefix for the S3 object key. Objects whose keys start with this prefix are selected. Applies only when "key" property is not specified. |No |
 | version | The version of the S3 object, if S3 versioning is enabled. |No |

articles/data-factory/connector-azure-blob-storage.md

@@ -8,7 +8,7 @@ ms.reviewer: douglasl
 ms.service: data-factory
 ms.workload: data-services
 ms.topic: conceptual
-ms.date: 10/31/2018
+ms.date: 11/08/2018
 ms.author: jingwang
 
 ---
@@ -243,7 +243,7 @@ To copy data to and from Blob storage, set the type property of the dataset to *
 | Property | Description | Required |
 |:--- |:--- |:--- |
 | type | The type property of the dataset must be set to **AzureBlob**. |Yes |
-| folderPath | Path to the container and folder in the blob storage. Wildcard filter is not supported. An example is myblobcontainer/myblobfolder/. |Yes |
+| folderPath | Path to the container and folder in the blob storage. Wildcard filter is not supported. An example is myblobcontainer/myblobfolder/. |Yes for Copy activity, No for Lookup/GetMetadata activity |
 | fileName | **Name or wildcard filter** for the blob(s) under the specified "folderPath". If you don't specify a value for this property, the dataset points to all blobs in the folder. <br/><br/>For filter, allowed wildcards are: `*` (matches zero or more characters) and `?` (matches zero or single character).<br/>- Example 1: `"fileName": "*.csv"`<br/>- Example 2: `"fileName": "???20180427.txt"`<br/>Use `^` to escape if your actual file name has wildcard or this escape char inside.<br/><br/>When fileName isn't specified for an output dataset and **preserveHierarchy** isn't specified in the activity sink, the copy activity automatically generates the blob name with the following pattern: "*Data.[activity run id GUID].[GUID if FlattenHierarchy].[format if configured].[compression if configured]*". An example is "Data.0a405f8a-93ff-4c6f-b3be-f69616f1df7a.txt.gz". |No |
 | format | If you want to copy files as is between file-based stores (binary copy), skip the format section in both the input and output dataset definitions.<br/><br/>If you want to parse or generate files with a specific format, the following file format types are supported: **TextFormat**, **JsonFormat**, **AvroFormat**, **OrcFormat**, and **ParquetFormat**. Set the **type** property under **format** to one of these values. For more information, see the [Text format](supported-file-formats-and-compression-codecs.md#text-format), [JSON format](supported-file-formats-and-compression-codecs.md#json-format), [Avro format](supported-file-formats-and-compression-codecs.md#avro-format), [Orc format](supported-file-formats-and-compression-codecs.md#orc-format), and [Parquet format](supported-file-formats-and-compression-codecs.md#parquet-format) sections. |No (only for binary copy scenario) |
 | compression | Specify the type and level of compression for the data. For more information, see [Supported file formats and compression codecs](supported-file-formats-and-compression-codecs.md#compression-support).<br/>Supported types are **GZip**, **Deflate**, **BZip2**, and **ZipDeflate**.<br/>Supported levels are **Optimal** and **Fastest**. |No |