# SelfManagedKafkaEventSourceConfig
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Specific configuration settings for a self-managed Apache Kafka event source.

## Contents
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 ** ConsumerGroupId **   <a name="lambda-Type-SelfManagedKafkaEventSourceConfig-ConsumerGroupId"></a>
 The identifier for the Kafka consumer group to join. The consumer group ID must be unique among all your Kafka event sources. After creating a Kafka event source mapping with the consumer group ID specified, you cannot update this value. For more information, see [Customizable consumer group ID](https://docs.aws.amazon.com/lambda/latest/dg/with-kafka-process.html#services-smaa-topic-add).  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 200.  
Pattern: `[a-zA-Z0-9-\/*:_+=.@-]*`   
Required: No

 ** SchemaRegistryConfig **   <a name="lambda-Type-SelfManagedKafkaEventSourceConfig-SchemaRegistryConfig"></a>
Specific configuration settings for a Kafka schema registry.  
Type: [KafkaSchemaRegistryConfig](API_KafkaSchemaRegistryConfig.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\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/lambda-2015-03-31/SelfManagedKafkaEventSourceConfig) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/lambda-2015-03-31/SelfManagedKafkaEventSourceConfig) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/lambda-2015-03-31/SelfManagedKafkaEventSourceConfig)