---
title: "Update a Run schedule rule."
method: PATCH
path: "/run-schedule-rules/{run_schedule_rule}"
tags: ["run-schedule-rules"]
---

# Update a Run schedule rule.

`PATCH /run-schedule-rules/{run_schedule_rule}`

Updates a specific run schedule rule based on the provided rule ID, schedule mode, and schedule.
It validates the cron expression and raises an error if it's invalid.

## Path parameters

- `run_schedule_rule` string, required

## Response `200`

Request was successful.

## Other responses

- `404` — Run schedule rule not found, or user unauthorized to perform action.
- `4XX` — Client error.
- `5XX` — Server error.

---

[API](https://skmtc.net/scalr/apis/scalr-iacp-api.md) · [All operations](https://skmtc.net/scalr/apis/scalr-iacp-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/scalr/scalr-iacp-api/revisions/fc927526ad12/schema)