Decorating async Task function with [LambdaFunction] generates compile error

[hounddog22030]

Describe the bug

The generated code is awaiting the Task and attempting to return the Task, but because the original method is async, the original method is really a void, so it cannot be returned.

Expected Behavior

No compile errors.

Current Behavior

Receive Compile Error:

Severity	Code	Description	Project	File	Line
Error	CS1997	Since 'Functions_SqsMessageHandler_Generated.SqsMessageHandler(SQSEvent.SQSMessage, ILambdaContext)' is an async method that returns 'Task', a return keyword must not be followed by an object expression. Did you intend to return 'Task<T>'?	ServerlessWithSqs	C:\Users\17034\source\repos\ServerlessWithSqs\ServerlessWithSqs\Amazon.Lambda.Annotations.SourceGenerator\Amazon.Lambda.Annotations.SourceGenerator.Generator\Functions_SqsMessageHandler_Generated.g.cs	35

Reproduction Steps

Steps to reproduce:

1. Create a new serverless project
2. Choose the Annotations blueprint
3. In Function.cs add the below code:

    [LambdaFunction]
    public async Task SqsMessageHandler(SQSEvent.SQSMessage sqsMessage, ILambdaContext context)
    {
        await Task.Delay(1);
    }

4. Build the project

Possible Solution

remove the return?
return without the await?

Additional Information/Context

No response

AWS .NET SDK and/or Package version used

<PackageReference Include="Amazon.Lambda.Annotations" Version="0.5.0-preview" />

Targeted .NET Platform

.NET 6

Operating System and version

Windows 11, AmazonLinux

[ashishdhingra]

Reproducible. Unsure if the Annotations Framework could be used with simple Lambda functions. The Readme at https://github.com/aws/aws-lambda-dotnet/tree/master/Libraries/src/Amazon.Lambda.Annotations specifies use of HttpApi or RestApi for Annotations serverless application. Needs review with the team.

[ashishdhingra]

@hounddog22030 Looks like the linked PR #1257 is merged. Could you please test your scenario and confirm if it works now?

Thanks,
Ashish

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