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Usage

Sentry's SDK hooks into your runtime environment and automatically reports errors, uncaught exceptions, and unhandled rejections as well as other types of errors depending on the platform.

The most common form of capturing is to capture errors. What can be captured as an error varies by platform. In general, if you have something that looks like an exception, it can be captured. For some SDKs, you can also omit the argument to captureException and Sentry will attempt to capture the current exception. It is also useful for manual reporting of errors or messages to Sentry.

While capturing an event, you can also record the breadcrumbs that lead up to that event. Breadcrumbs are different from events: they will not create an event in Sentry, but will be buffered until the next event is sent. Learn more about breadcrumbs in our Breadcrumbs documentation.

Capturing Errors

By including and configuring Sentry, our React SDK automatically attaches global handlers to capture uncaught exceptions and unhandled promise rejections, as described in the official ECMAScript 6 standard. You can disable this default behavior by changing the onunhandledrejection option to false in your GlobalHandlers integration and manually hook into each event handler, then call Sentry.captureException or Sentry.captureMessage directly.

You can pass an Error object to captureException() to get it captured as event. It's also possible to pass non-Error objects and strings, but be aware that the resulting events in Sentry may be missing a stacktrace.

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import * as Sentry from "@sentry/react";

try {
  aFunctionThatMightFail();
} catch (err) {
  Sentry.captureException(err);
}

Capturing Messages

Another common operation is to capture a bare message. A message is textual information that should be sent to Sentry. Typically messages are not emitted, but they can be useful for some teams.

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Sentry.captureMessage("Something went wrong");
Package:
npm:@sentry/react
Version:
8.24.0
Repository:
https://github.com/getsentry/sentry-javascript