Why do I get an error when trying to add an SNS trigger to my AWS Lambda function?

user_9334823 0
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I'm trying to setup an AWS Lambda function that gets triggered when a CloudWatch alarm sends a message to an SNS topic. I'm following along in this guide:

https://medium.com/analytics-vidhya/generate-slack-notifications-for-aws-cloudwatch-alarms-e46b68540133

I'm stuck at step 6 at the point where it says to add the trigger to the function. I select my SNS topic as the trigger but when I hit Add it gives me the following error:

An error occurred when creating the trigger: Invalid parameter: Invalid protocol type: lambda (Service: AmazonSNS; Status Code: 400; Error Code: InvalidParameter; Request ID: 343350ee-b514-5c7c-8180-08fe5fd643ec; Proxy: null)

enter image description here

Does anybody know what that error means and what I can do about it?

Thanks

amazon-sns aws-lambda amazon-web-services
2 Answers

I ran into this problem recently...

As of now, Lambda only supports Standard SNS topics.

You will need to change your SNS topic from FIFO to Standard.

user_158667160

Thanks DanielWsk, looks like fifo only works with SQS. It was there but didn't see it.

enter image description here

user_28269610
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