feat(parser): add model for the DynamoDB Stream Lambda invocation record#7818
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leandrodamascena merged 2 commits intoaws-powertools:developfrom Dec 16, 2025
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This commit adds a model for the invocation record that a Lambda with a DynamoDB event source sends to a SNS, SQS or S3 destination for failed invocations. The record format is described in https://docs.aws.amazon.com/lambda/latest/dg/services-dynamodb-errors.html The model can be used in the handler of a lambda that processes failed invocations from SNS or SQS by combining it with the source envelope model, e.g., from aws_lambda_powertools.utilities.parser import envelopes, event_parser from aws_lambda_powertools.utilities.parser.models import DynamoDBStreamLambdaOnFailureDestinationModel @event_parser(model=DynamoDBStreamLambdaOnFailureDestinationModel, envelope=envelopes.SqsEnvelope) def lambda_handler(event: list[DynamoDBStreamLambdaOnFailureDestinationModel], context: LambdaContext): ...
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## develop #7818 +/- ##
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+ Coverage 96.49% 96.53% +0.03%
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Files 275 275
Lines 13123 13151 +28
Branches 990 990
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+ Hits 12663 12695 +32
+ Misses 355 353 -2
+ Partials 105 103 -2 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Issue number: closes #7817
Summary
Data model for DynamoDB Stream Lambda Invocation records
Changes
This commit adds a model for the invocation record that a Lambda with a DynamoDB event source sends to a SNS, SQS or S3 destination for failed invocations. The record format is described in
https://docs.aws.amazon.com/lambda/latest/dg/services-dynamodb-errors.html
The model can be used in the handler of a lambda that processes failed invocations from SNS or SQS by combining it with the source envelope model, e.g.,
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