---
title: ILM Actions
description: ILM applies policy actions as indices enter time-oriented phases: Hot, Warm, Cold, Delete. The policy actions include: Set Priority, Rollover, Unfollow,...
url: https://www.elastic.co/elastic/docs-builder/docs/3028/reference/elasticsearch/curator/ilm-actions
products:
  - Elasticsearch
  - Elasticsearch Curator
---

# ILM Actions
ILM applies policy actions as indices enter time-oriented phases:
- Hot
- Warm
- Cold
- Delete

The policy actions include:
- [Set Priority](https://docs-v3-preview.elastic.dev/elastic/docs-builder/docs/3028/reference/elasticsearch/index-lifecycle-actions/ilm-set-priority)
- [Rollover](https://docs-v3-preview.elastic.dev/elastic/docs-builder/docs/3028/reference/elasticsearch/index-lifecycle-actions/ilm-rollover)
- [Unfollow](https://docs-v3-preview.elastic.dev/elastic/docs-builder/docs/3028/reference/elasticsearch/index-lifecycle-actions/ilm-unfollow)
- [Allocate](https://docs-v3-preview.elastic.dev/elastic/docs-builder/docs/3028/reference/elasticsearch/index-lifecycle-actions/ilm-allocate)
- [Read-Only](https://docs-v3-preview.elastic.dev/elastic/docs-builder/docs/3028/reference/elasticsearch/index-lifecycle-actions/ilm-readonly)
- [Force Merge](https://docs-v3-preview.elastic.dev/elastic/docs-builder/docs/3028/reference/elasticsearch/index-lifecycle-actions/ilm-forcemerge)
- [Shrink](https://docs-v3-preview.elastic.dev/elastic/docs-builder/docs/3028/reference/elasticsearch/index-lifecycle-actions/ilm-shrink)
- [Delete](https://docs-v3-preview.elastic.dev/elastic/docs-builder/docs/3028/reference/elasticsearch/index-lifecycle-actions/ilm-delete)