# S3PrefixLocation
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Specifies an Amazon S3 bucket and key prefix.

## Contents
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 ** BucketARN **   <a name="APIReference-Type-S3PrefixLocation-BucketARN"></a>
The ARN of the Amazon S3 bucket.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Pattern: `arn:.*`   
Required: Yes

 ** KeyPrefix **   <a name="APIReference-Type-S3PrefixLocation-KeyPrefix"></a>
The key prefix in the Amazon S3 bucket.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 200.  
Required: Yes

## 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/kinesisanalyticsv2-2018-05-23/S3PrefixLocation) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/kinesisanalyticsv2-2018-05-23/S3PrefixLocation) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/kinesisanalyticsv2-2018-05-23/S3PrefixLocation)