S3 Event Source Mapping: Could not list s3 event sources. about serverless-application-model HOT 5 CLOSED

This template does in fact create the trigger properly. It does so in a way that the breaks the UI. This is a UI bug we are working to get sorted. But your Lambda function should get triggered when you upload an object to S3.

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Hi @sanathkr I wondered if it was just a UI bug but upon inspecting the Lambda event sources, there is no value returned. You are correct that it is invoked if an object is uploaded to that bucket though. Are these triggers captured somewhere outside of the event source mapping API calls?

$ aws lambda list-event-source-mappings --function-name sam-test-ProcessorFunction-FVIXJ27UQ4VI
{
    "EventSourceMappings": []
}

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The event source mapping is applicable for Kinesis & DynamoDB streams. It isn't applicable for S3 - http://docs.aws.amazon.com/cli/latest/reference/lambda/create-event-source-mapping.html. Event source mappings define the triggers that Lambda polls for. S3 -> Lambda, on the other hand, is a trigged pushed by S3 to Lambda. SAM kind of abstracts these differences for you

However if you look at the bucket's Notification Configuration, you will find the trigger there.

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Got it, thanks @sanathkr !

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Hi,

I need to disable a triggered function. I'm trying to list the event source mapping to get the UUID, so that i can disable respective trigger.

aws lambda list-event-source-mappings --function-name

How ever i'm getting below prompt:

{
"EventSourceMappings": []
}

How do i get the UUID??
Please help me.

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