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feat(attributes): add gen_ai.function_id attribute#308

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constantinius/feat/attributes/add-gen_ai.function_id
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feat(attributes): add gen_ai.function_id attribute#308
constantinius wants to merge 1 commit intomainfrom
constantinius/feat/attributes/add-gen_ai.function_id

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Description

Add the gen_ai.function_id attribute. Currently only emitted by Vercel AI in the JS SDK.

Closes https://linear.app/getsentry/issue/TET-2181/add-gen-aifunction-id-to-sentry-conventions

PR Checklist

  • I have run yarn test and verified that the tests pass.
  • I have run yarn generate to generate and format code and docs.

If an attribute was added:

  • The attribute is in a namespace (e.g. nextjs.function_id, not function_id)
  • I have used the correct value for pii (i.e. maybe or true. Use false only for values that should never be scrubbed such as IDs)

If an attribute was deprecated:

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linear-code bot commented Apr 2, 2026

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github-actions bot commented Apr 2, 2026

Semver Impact of This PR

🟡 Minor (new features)

📋 Changelog Preview

This is how your changes will appear in the changelog.
Entries from this PR are highlighted with a left border (blockquote style).


New Features ✨

Attributes

  • Add gen_ai.function_id attribute by constantinius in #308
  • Add network connection-related attributes by Lms24 in #279
  • Add cache.write attribute by adinauer in #292
  • Add device context attributes by buenaflor in #300
  • Add app context attributes for mobile by buenaflor in #296
  • Add device memory and core count attributes by Lms24 in #281
  • Add ui.element.* attributes by Lms24 in #284
  • Add remaining TTFB, FCP and FP web vital attributes by Lms24 in #235
  • Add LCP web vital meta attributes by Lms24 in #233
  • Add CLS web vital source attribute by Lms24 in #234
  • Add core web web vital value attributes by Lms24 in #229
  • Add allow_any_value field to attribute schema by vgrozdanic in #272

Other

  • (http) Add http.server.request.time_in_queue attribute by dingsdax in #267
  • (resource) Add resource.deployment.environment by mjq in #266
  • Add sentry.timestamp.sequence attribute to the spec by logaretm in #262
  • Add changelog tracking to attribute definitions by ericapisani in #270

Bug Fixes 🐛

  • (attributes) Remove allow_any_value boolean attribute and allow any as type by vgrozdanic in #273
  • (gen_ai) Input and output token description by obostjancic in #261
  • (sentry) Deprecate sentry.trace.parent_span_id by mjq in #287
  • Don't run changelog generation on yarn generate by Lms24 in #277
  • Avoid changelog generation recursion by Lms24 in #274

Documentation 📚

  • (sentry) Add deprecated sentry.source by s1gr1d in #288
  • Redirect from old /generated pages to new routes by Lms24 in #291
  • Remove extra yarn run format instruction by mjq in #289
  • Update README with up-to-date links by ericapisani in #258

Internal Changes 🔧

Deps

  • Bump pygments from 2.19.2 to 2.20.0 in /python by dependabot in #307
  • Bump smol-toml from 1.6.0 to 1.6.1 by dependabot in #305
  • Bump h3 from 1.15.5 to 1.15.9 by dependabot in #299
  • Bump devalue from 5.6.3 to 5.6.4 by dependabot in #286
  • Bump dompurify from 3.3.1 to 3.3.2 by dependabot in #278
  • Bump svgo from 3.3.2 to 3.3.3 by dependabot in #275
  • Bump svelte from 5.51.5 to 5.53.5 by dependabot in #271
  • Bump rollup from 4.40.1 to 4.59.0 by dependabot in #269
  • Bump svelte from 5.48.1 to 5.51.5 by dependabot in #260

Deps Dev

  • Bump tar from 7.5.10 to 7.5.11 by dependabot in #285
  • Bump tar from 7.5.8 to 7.5.10 by dependabot in #276
  • Bump tar from 7.5.7 to 7.5.8 by dependabot in #259

Other

  • (ai) Deprecate rest of ai.* attributes by constantinius in #264
  • (attributes) Ensure each attribute json has a changelog entry by Lms24 in #282
  • (docs) Upgrade to Astro 6 by Lms24 in #283
  • (gen_ai) Deprecate gen_ai.tool.input, gen_ai.tool.message, gen_ai.tool.output by constantinius in #265
  • (publish) Bump next entries in changelog when releasing by Lms24 in #290
  • (repo) Populate changelog property when running yarn create:attribute by Lms24 in #280
  • Pin GitHub Actions to full-length commit SHAs by joshuarli in #302
  • Wrong link to CONTRIBUTING.md in PR template by sentrivana in #298

🤖 This preview updates automatically when you update the PR.

@constantinius constantinius requested a review from a team April 2, 2026 08:15
@constantinius constantinius enabled auto-merge (squash) April 2, 2026 14:30
// Path: model/attributes/gen_ai/gen_ai__function_id.json

/**
* The function identifier associated with the AI operation. `gen_ai.function_id`
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@alexander-alderman-webb alexander-alderman-webb Apr 2, 2026

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We could use this attribute to capture other library-specific tracing labels.
For example, recording run_name in LangChain as gen_ai.function_id.
With the suggested description the attribute would not be limited to Vercel AI.

Suggested change
* The function identifier associated with the AI operation. `gen_ai.function_id`
* Framework-specific tracing label for the execution of a function or other unit of execution in a generative AI system.

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2 participants