# 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`

This schema <u>does not</u> accept additional properties.

## Properties
 - **id** `required`
	 - Unique identifier that identifies this Policy.
	 - $ref: [../../type/basic.json#/definitions/uuid](../types/basic.md#uuid)
 - **name** `required`
	 - Name that uniquely identifies this Policy.
	 - $ref: [#/definitions/policyName](#policyname)
 - **fullyQualifiedName**
	 - Name that uniquely identifies a Policy.
	 - $ref: [#/definitions/policyName](#policyname)
 - **displayName**
	 - Title for this Policy.
	 - Type: `string`
 - **description**
	 - A short description of the Policy, comprehensible to regular users.
	 - Type: `string`
 - **owner**
	 - 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](#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 in Unix epoch time milliseconds.
	 - $ref: [../../type/basic.json#/definitions/timestamp](../types/basic.md#timestamp)
 - **updatedBy**
	 - User who made the update.
	 - Type: `string`
 - **changeDescription**
	 - Change that led to this version of the Policy.
	 - $ref: [../../type/entityHistory.json#/definitions/changeDescription](../types/entityhistory.md#changedescription)
 - **rules**
	 - $ref: [#/definitions/rules](#rules)
 - **location**
	 - $ref: [../../type/entityReference.json](../types/entityreference.md)
 - **deleted**
	 - When `true` indicates the entity has been soft deleted.
	 - Type: `boolean`
	 - Default: _false_


## Type definitions in this schema
### policyName

 - Name that identifies this Policy.
 - Type: `string`
 - Length: between 1 and 128


### 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"_


### rules

 - A set of rules associated with the Policy.
 - Type: `array`
	 - **Items**




_This document was updated on: Wednesday, March 9, 2022_