# What this PR does
Adds validation for rolling users param in the shift api
## Which issue(s) this PR closes
Closes [5041](https://github.com/grafana/oncall/issues/5041)
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## 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] Added the relevant release notes label (see labels prefixed w/
`release:`). These labels dictate how your PR will
show up in the autogenerated release notes.
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