# Policy

This schema defines the Policy entity. A Policy defines lifecycle or access control that needs to be applied across different Data Entities.

**$id: **[**https://open-metadata.org/schema/entity/policies/policy.json**](https://open-metadata.org/schema/entity/policies/policy.json)

Type: `object`

## Properties

* **id** `required`
  * Unique identifier that identifies this Policy.
  * $ref: [../../type/basic.json#/definitions/uuid](../types/basic.md#uuid)
* **name** `required`
  * Name that identifies this Policy.
  * Type: `string`
  * Length: between 1 and 64
* **fullyQualifiedName**
  * Name that uniquely identifies a Policy.
  * Type: `string`
  * Length: between 1 and 128
* **displayName**
  * Title for this Policy.
  * Type: `string`
* **description**
  * A short description of the Policy, comprehensible to regular users.
  * Type: `string`
* **owner** `required`
  * Owner of this Policy.
  * $ref: [../../type/entityReference.json](../types/entityreference.md)
* **policyUrl**
  * Link to a well documented definition of this Policy.
  * Type: `string`
  * String format must be a "uri"
* **href**
  * Link to the resource corresponding to this entity.
  * $ref: [../../type/basic.json#/definitions/href](../types/basic.md#href)
* **policyType** `required`
  * $ref: [#/definitions/policyType](policy.md#policytype)
* **enabled**
  * Is the policy enabled.
  * Type: `boolean`
  * Default: _true_
* **version**
  * Metadata version of the Policy.
  * $ref: [../../type/entityHistory.json#/definitions/entityVersion](../types/entityhistory.md#entityversion)
* **updatedAt**
  * Last update time corresponding to the new version of the Policy.
  * $ref: [../../type/basic.json#/definitions/dateTime](../types/basic.md#datetime)
* **updatedBy**
  * User who made the update.
  * Type: `string`
* **changeDescription**
  * Change that led to this version of the entity.
  * $ref: [../../type/entityHistory.json#/definitions/changeDescription](../types/entityhistory.md#changedescription)

## Type definitions in this schema

### policyType

* This schema defines the type used for describing different types of policies.
* Type: `string`
* The value is restricted to the following:
  1. _"AccessControl"_
  2. _"Lifecycle"_

_This document was updated on: Monday, November 15, 2021_