---
title: Fields
id: fields
date: 2023-07-17
full_link: /docs/reference/rules/rule-fields
short_description: >
  Filters available as rules condition or output.
aka:
tags:
- fundamental
---
The fields are used in the condition of a {{< glossary_tooltip text="rule" term_id="rules" >}} and in the output.

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The fields are automatically replaced by their values in the output to have the whole context of the {{< glossary_tooltip text="alerts" term_id="alerts" >}}.