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Browser Live Debugger

Datadog Live Debugger enables you to capture function execution snapshots, evaluate conditions, and collect runtime data from your application without modifying source code.

See the dedicated Datadog documentation for more details.

Usage

To start collecting data, add @datadog/browser-debugger to your package.json file, then initialize it with:

import { datadogDebugger } from '@datadog/browser-debugger'

datadogDebugger.init({
  clientToken: '<DATADOG_CLIENT_TOKEN>',
  site: '<DATADOG_SITE>',
  service: 'my-web-application',
  //  env: 'production',
  //  version: 'my-deployed-build-version',
})

When you also use the Datadog Live Debugger build plugin, init().version defaults to the build-time liveDebugger.version metadata injected into the bundle. If you pass both values explicitly and they differ, the SDK keeps the init() value and logs a warning.

If provided, version should be set to the immutable deployed browser build identifier used for source map upload and browser build resolution. If omitted, debugger delivery and snapshots still work, but browser build lookup and source-aware resolution may be unavailable.

Troubleshooting

Need help? Contact Datadog Support.