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Can you post the exact code your running? If you iterate through the results and print them, it should show you what the function is returning, which should help you narrow down the results.

examplepartner = aws.cloudwatch.get_event_source(
    name_prefix=event_relay_query_resource.aws_resource_endpoint
)

So I would check the value of `event_relay_query_resource.aws_resource_endpoint` via `pulumi.export()` first - maybe it's blank or something.

And also, loop through the results and see what you've got there.

just trying to understand, how can i use get_event_source to search by specific name /arn

Ah, I see. I'm guessing it's not possible since I don't see it in the arguments.

What's the value of that `name_prefix` tho? A resource endpoint should be uniquely named.