# KafkaClusterClientAuthentication
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The client authentication information used in order to authenticate with the Apache Kafka cluster.

## Contents
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 ** authenticationType **   <a name="MSKC-Type-KafkaClusterClientAuthentication-authenticationType"></a>
The type of client authentication used to connect to the Apache Kafka cluster. Value NONE means that no client authentication is used.  
Type: String  
Valid Values: `NONE | IAM`   
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\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/kafkaconnect-2021-09-14/KafkaClusterClientAuthentication) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/kafkaconnect-2021-09-14/KafkaClusterClientAuthentication) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/kafkaconnect-2021-09-14/KafkaClusterClientAuthentication)