# What this PR does
Reduce number of alert groups returned for grouping on slack request to
20 to avoid event trigger expiry.
## Which issue(s) this PR fixes
https://github.com/grafana/oncall-private/issues/1835
## Checklist
- [ ] 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: Joey Orlando <joey.orlando@grafana.com>
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