**To list the event source mappings for a function** The following ``list-event-source-mappings`` example displays a list of the event source mappings for the ``my-function`` Lambda function. :: aws lambda list-event-source-mappings \ --function-name my-function Output:: { "EventSourceMappings": [ { "UUID": "a1b2c3d4-5678-90ab-cdef-11111EXAMPLE", "StateTransitionReason": "USER_INITIATED", "LastModified": 1569284520.333, "BatchSize": 5, "State": "Enabled", "FunctionArn": "arn:aws:lambda:us-west-2:123456789012:function:my-function", "EventSourceArn": "arn:aws:sqs:us-west-2:123456789012:mySQSqueue" } ] } For more information, see `AWS Lambda Event Source Mapping <https://docs.aws.amazon.com/lambda/latest/dg/invocation-eventsourcemapping.html>`__ in the *AWS Lambda Developer Guide*.