### Use case #### Discussed in https://github.com/awslabs/aws-lambda-powertools-python/discussions/2170 <div type='discussions-op-text'> <sup>Originally posted by **adithep** April 27, 2023</sup> </div> For HTTP resolver, there are few ways to handle exception: https://awslabs.github.io/aws-lambda-powertools-python/2.14.1/core/event_handler/api_gateway/#exception-handling But for `AppSyncResolver`, I have no idea who to handle exceptions ### Solution/User Experience Implement `@app.exception_handler(ValueError)` on the `AppSyncResolver`. ### Alternative solutions _No response_ ### Acknowledgment - [X] This feature request meets [Lambda Powertools Tenets](https://awslabs.github.io/aws-lambda-powertools-python/latest/#tenets) - [ ] Should this be considered in other Lambda Powertools languages? i.e. [Java](https://github.com/awslabs/aws-lambda-powertools-java/), [TypeScript](https://github.com/awslabs/aws-lambda-powertools-typescript/)