# FileSource
<a name="API_FileSource"></a>

A physical table type that contains the schema and upload settings for a file-based data source.

## Contents
<a name="API_FileSource_Contents"></a>

**Note**  
In the following list, the required parameters are described first.

 ** DataSourceArn **   <a name="QS-Type-FileSource-DataSourceArn"></a>
The Amazon Resource Name (ARN) for the data source.  
Type: String  
Required: Yes

 ** InputColumns **   <a name="QS-Type-FileSource-InputColumns"></a>
The column schema of the file.  
Type: Array of [InputColumn](API_InputColumn.md) objects  
Array Members: Minimum number of 0 items. Maximum number of 2048 items.  
Required: Yes

 ** SheetIndex **   <a name="QS-Type-FileSource-SheetIndex"></a>
The zero-based index of the sheet to use within the file. For files that contain multiple sheets, this identifies which sheet to read. Files that contain a single sheet, or that have no concept of sheets, use sheet 0.  
Type: Integer  
Required: Yes

 ** UploadSettings **   <a name="QS-Type-FileSource-UploadSettings"></a>
Information about the format for the source file.  
Type: [UploadSettings](API_UploadSettings.md) object  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/quicksight-2018-04-01/FileSource) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/quicksight-2018-04-01/FileSource) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/quicksight-2018-04-01/FileSource)