> ## Documentation Index > Fetch the complete documentation index at: https://doc.lucidworks.com/llms.txt > Use this file to discover all available pages before exploring further. # Get a rule > Retrieves details of a specific rule by its unique identifier. ## OpenAPI ````yaml /api-reference/5.9/fusion-api-query.json get /experience-manager/rules/{ruleId} openapi: 3.0.1 info: title: Fusion Query API description: >- A Lucidworks Fusion microservice for machine-learning-enhanced ranking and retrieval. contact: name: Lucidworks url: www.lucidworks.com email: support@lucidworks.com license: name: License of API url: https://lucidworks.com/legal/developer-license-agreement/ version: '5.9' servers: - url: https://{FUSION HOST}/api description: Fusion variables: FUSION HOST: default: FUSION_HOST description: Your environment host. - url: https://{FUSION HOST}/api/apps/{APP_NAME} description: Fusion app variables: FUSION HOST: default: FUSION_HOST description: Your environment host. APP_NAME: default: APP_NAME description: The name of your Fusion app. security: - Basic auth: [] - API key: [] tags: - name: Custom Rule Type API description: Endpoints to define and manage custom rule type definitions. - name: Experiments API description: >- Use the Experiments API to compare different configuration variants and determine which ones are most successful. - name: Query Pipelines API description: >- Use these endpoints to view and manage your query pipelines. You can also send queries using this API, though the Query Profiles API is recommended instead. - name: Query Profiles API description: >- The Query Profiles API provides static endpoints that you can consistently point to when querying your collections. Query profiles allow you to change the query pipelines or collections behind them without changing the endpoint you use for your search queries. See the Query Profiles CRUD API for endpoints that create and modify query profiles. - name: Query Profiles CRUD API description: >- Use these endpoints to create and modify query profiles. Query profiles allow you to change the query pipelines or collections behind them without changing the endpoint you use for your search queries. See the Query Profiles API for the query endpoints. - name: Query Rewrite API description: >- The Query Rewrite API manages documents used for query rewriting to improve relevancy using AI-generated data. Primarily for internal use. - name: Query Stage API description: >- Use these endpoints to view the available query pipeline stages and their configuration parameters. - name: Query Stage Plugins API description: >- Use these endpoints to view, install, and manage custom query stages developed with the Query Stage SDK. - name: Signal Indexing API description: Endpoints to index signals. - name: Experience Manager API description: API only for internal use by the Experience Manager Springboard system - name: Query Pipeline Template API description: Used internally to generate query pipelines from a template. externalDocs: description: Lucidworks Documentation. url: https://doc.lucidworks.com/ paths: /experience-manager/rules/{ruleId}: get: tags: - Experience Manager API summary: Get a rule description: Retrieves details of a specific rule by its unique identifier. operationId: getRulesUsingGET parameters: - name: context in: query description: Application context for retrieving the rule. required: true schema: type: string - name: ruleId in: path description: Unique identifier of the rule to retrieve. required: true schema: type: string - name: staging in: query description: Indicates whether to retrieve the rule from a staging environment. required: true schema: type: boolean responses: '200': description: Rule retrieved successfully. content: application/json: schema: $ref: '#/components/schemas/RuleRes' '401': description: >- Unauthorized request. The caller does not have permission to retrieve rules. content: {} '403': description: Forbidden request. The user does not have the required privileges. content: {} '404': description: Rule not found. content: {} components: schemas: RuleRes: title: Rule Response type: object description: >- Represents the response containing details of a rule in the Experience Manager. properties: campaign_id: type: string description: Unique identifier of the campaign associated with this rule. createdOn: type: string format: date-time description: Timestamp indicating when the rule was created. deployed: type: boolean description: Indicates whether the rule is currently deployed. description: type: string description: A brief description of the rule. display_type: type: string description: The display type associated with the rule. doc_type: type: string description: The document type of the rule response. effective_range: type: array description: Defines the time range during which the rule is active. items: type: string filters: type: array description: A list of filter conditions for applying the rule. items: $ref: '#/components/schemas/KeyAndValueRes' groups: type: string description: User groups associated with this rule. id: type: string description: Unique identifier for the rule. matching: type: string enum: - keywords - phrase - text description: Defines the matching criteria for the rule. name: type: string description: The name of the rule. priority: type: integer format: int32 description: Defines the priority level of the rule. query_profile_id_ss: type: array description: A list of query profile IDs that trigger this rule. items: type: string response_values: type: array description: A list of response values applied by the rule. items: $ref: '#/components/schemas/KeyAndValueRes' review: type: string enum: - approved - auto - denied - pending - supplied description: The review status of the rule. rollup: type: string description: The rollup strategy applied to the rule. search_terms: type: array description: A list of search terms associated with the rule. items: type: string tags: type: array description: A list of tags associated with the rule. items: type: string target_segments: type: array uniqueItems: true description: A list of unique target segments for the rule. items: type: string updatedOn: type: string format: date-time description: Timestamp indicating when the rule was last updated. variant_id: type: string description: Unique identifier for the variant of this rule. KeyAndValueRes: type: object properties: key: type: string value: type: string securitySchemes: Basic auth: type: http scheme: basic API key: name: x-api-key type: apiKey in: header ````