Add NotResource field for custom authorizer IAM policy #2165
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normj
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Oct 28, 2025
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PR looks good. Can you add a change file which will trigger the version bump and change log generation. Here in the contributor page explains the change file. I would suggest this as Patch for type of change. https://github.com/aws/aws-lambda-dotnet/blob/master/CONTRIBUTING.md#adding-a-change-file-to-your-contribution-branch
peterrsongg
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Oct 28, 2025
normj
requested changes
Oct 28, 2025
Libraries/src/Amazon.Lambda.APIGatewayEvents/Amazon.Lambda.APIGatewayEvents.csproj
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normj
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Issue #, if available: n/a
Description of changes:
Added the option to use NotResource in the policy returned by a custom lambda authorizer for API Gateway. I have a use case where I am caching an API policy for multiple resources as described here: https://docs.aws.amazon.com/apigateway/latest/developerguide/http-api-lambda-authorizer.html#http-api-lambda-authorizer.caching
And I would like to return a policy which uses Deny with NotResource
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.