AWS EventBridge Customise Output to include EC2 Tag Name

Question

I've created an EventBridge Rule that notifies me using an SNS email when the Instance State of an EC2 changes, this works fine. 
I'm using the input transformer to customise the message and want to include the Name of the EC2 as well as the instance ID.  Is this possible as the Name is a Tag ?    The input so far is :
{"account":"$.account","instance-id":"$.detail.instance-id","region":"$.region","state":"$.detail.state","time":"$.time"}
Can this be tweaked to provide a tag or get the EC2 Name another way ?

Igvir · Answer

You can add more information to the original event  (from producer) and create your own event to be handled by the consumer. Use SDK  ``DescribeTags`` with the ``instanceID`` from the original event to Instance tags and add it to the custom event. See diagram:

```
                           ┌-----------------Custom event---------------- ┐
                           |                                              |  
| Producer | ---- >|Event bus|------ Event does not match tags ----> | Lambda Enrich |
                           |
                           └ --------match tags------>| Consumer| 
```

RobWoodcock · Answer

Will give that a try thank you.

AWS EventBridge Customise Output to include EC2 Tag Name

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