# What this PR does
Adds a model for alert group labels and adds filtering functionality for
labels on the alert groups page.
## Which issue(s) this PR fixes
https://github.com/grafana/oncall-private/issues/2178
## Checklist
- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)
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Co-authored-by: Maxim <maxim.mordasov@grafana.com>
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