All Amazon MSK event source configuration parameters in Lambda - Amazon Lambda
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All Amazon MSK event source configuration parameters in Lambda

All Lambda event source types share the same CreateEventSourceMapping and UpdateEventSourceMapping API operations. However, only some of the parameters apply to Amazon MSK, as shown in the following table.

Parameter Required Default Notes

AmazonManagedKafkaEventSourceConfig

N

Contains the ConsumerGroupId field, which defaults to a unique value.

Can set only on Create

BatchSize

N

100

Maximum: 10,000

DestinationConfig

N

N/A

Capturing discarded batches for an Amazon MSK event source

Enabled

N

True

EventSourceArn

Y

 N/A

Can set only on Create

FilterCriteria

N

N/A

Control which events Lambda sends to your function

FunctionName

Y

N/A

KMSKeyArn

N

N/A

Encryption of filter criteria

MaximumBatchingWindowInSeconds

N

500 ms

Batching behavior

ProvisionedPollersConfig

N

MinimumPollers: default value of 1 if not specified

MaximumPollers: default value of 200 if not specified

Provisioned mode

SourceAccessConfigurations

N

No credentials

SASL/SCRAM or CLIENT_CERTIFICATE_TLS_AUTH (MutualTLS) authentication credentials for your event source

StartingPosition

Y

N/A

AT_TIMESTAMP, TRIM_HORIZON, or LATEST

Can set only on Create

StartingPositionTimestamp

N

N/A

Required if StartingPosition is set to AT_TIMESTAMP

Tags

N

N/A

Using tags on event source mappings

Topics

Y

N/A

Kafka topic name

Can set only on Create