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Showing content from https://docs.sentry.io/platforms/javascript/guides/aws-lambda/configuration/lambda-wrapper below:

Lambda Handler Wrapper | Sentry for AWS Lambda

On this page you'll learn about the options to configure the Sentry.wrapHandler wrapper for your Lambda function.

If you're using the AWS Lambda layer with environment variables (i.e. no Sentry code in your function), skip this guide or switch to the initializing the SDK in code.

Sentry keeps the lambda function thread alive for up to 2 seconds to ensure reported errors are sent. You can change this flush time limit by defining a flushTimeout value in the handler options:

index.js

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exports.handler = Sentry.wrapHandler(yourHandler, {
});

Sentry reports timeout warnings when the Lambda function is within 500ms of the configured Lambda timeout. You can turn off timeout warnings by setting captureTimeoutWarning to false in the handler options.

index.js

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exports.handler = Sentry.wrapHandler(yourHandler, {
  captureTimeoutWarning: false,
});

To change the timeout warning limit, assign a numeric value (in ms) to timeoutWarningLimit. This value specifies the time left before the warning is triggered.

index.js

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exports.handler = Sentry.wrapHandler(yourHandler, {
  timeoutWarningLimit: 700, 
});

By default, Sentry captures errors raised by your handler. However, your handler might return a Promise.allSettled result. In this case, even if one of the messages has failed, Sentry won't capture any exception.

The captureAllSettledReasons (default: false) option captures all promise rejected results

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exports.handler = Sentry.wrapHandler(
  () => {
    return Promise.allSettled([
      Promise.rejected(new Error("first")),
      Promise.rejected(new Error("second")),
    ]);
  },
  { captureAllSettledReasons: true },
);

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