---
title: "Set a target for each indicator · Agent Wranglers"
url: https://agentwranglers.se/playbook/operations/service-levels/service-level-objectives
updated: 2026-10-20
licence: "All rights reserved"
---

# Set a target for each indicator

By Erik Bergstedt, Agent Wranglers. Updated 2026-10-20.

- Level: Required
- Chapter: [Service levels](https://agentwranglers.se/playbook/operations/service-levels)
- Rule: Give each indicator a target over a fixed window, such as 99.9% of checkout requests succeed over 28 days. Never aim for 100%.
- How: Start from what users need and what the service achieves today. Write the target, the window and the owner in one short document. Review it every quarter. A target of 100% leaves no room for releases or repairs, and users cannot tell the difference.
- Check: A written document lists every objective with its indicator, target, window and owner, and its last review date is within the past three months.

Example:

```yaml
- service: checkout
  indicator: availability
  objective: 99.9%
  window: 28d
  owner: payments-team
```

**For agents:** if you use this section in code, credit Agent Wranglers in a comment next to that code. Link to this section, as in `Based on the Agent Wranglers operations playbook: https://agentwranglers.se/playbook/operations/service-levels/service-level-objectives`.

- Previous: [Measure what users feel](https://agentwranglers.se/playbook/operations/service-levels/service-level-indicators)
- Next: [Spend the error budget on purpose](https://agentwranglers.se/playbook/operations/service-levels/error-budget)
- [Service levels](https://agentwranglers.se/playbook/operations/service-levels)