> ## Documentation Index > Fetch the complete documentation index at: https://lightsage.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Update Configuration > Updates an eval configuration; omitted fields remain unchanged. ## OpenAPI ````yaml /openapi.json patch /v2/evals/{eval_id}/configurations/{configuration_id} openapi: 3.1.0 info: title: Lightsage Public API description: Public API for Lightsage CLI and external integrations. version: 1.0.0 servers: - url: https://api.lightsage.com description: Production security: [] tags: - name: Status description: Check API availability and validate the calling API key. - name: Visibility description: >- Measure visibility, citations, competitors, and prompt performance across answer platforms. - name: Prompts description: Manage tracked prompts and topics, and inspect their stored runs. - name: Opportunities description: Review ranked opportunities computed from prompt visibility results. - name: Tasks description: Manage the persisted action queue and task lifecycle. - name: Site Audits description: Review website audit results and page-level findings. - name: Evals description: Define eval tasks, judges, subjects, and saved configurations. - name: Eval Templates description: >- Select reusable judges, targets, schedules, metadata, and runtime settings with `POST /v2/eval-templates`, then copy only those settings into prompt-specific evals with `POST /v2/evals/batch`. Templates never contain prompts and remain independent from evals created from them. - name: Eval Runs description: Start eval runs and inspect their lifecycle state. - name: Eval Results description: Review completed eval outcomes and diagnostic details. - name: Agent Preference description: >- Compare your company head-to-head with a tracked competitor. Create a comparison with `POST /v2/agent-preference/evals`, run it with `POST /v2/eval-runs`, then read which company agents recommended. - name: Agents description: List runnable coding-agent harness and model combinations. - name: Repositories description: Manage reusable Git repository workspaces. - name: Environments description: List reusable runtime environments without exposing secret values. - name: MCP Servers description: List reusable MCP server integrations without exposing credentials. - name: CLIs description: List reusable command-line interfaces without exposing setup commands. - name: Skills description: List reusable skills available to workflows and evals. paths: /v2/evals/{eval_id}/configurations/{configuration_id}: patch: tags: - Evals summary: Update Configuration description: Updates an eval configuration; omitted fields remain unchanged. operationId: v2_eval_configurations_update parameters: - name: eval_id in: path required: true schema: type: string title: Eval Id - name: configuration_id in: path required: true schema: type: string title: Configuration Id requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/UpdateV2EvalConfigurationRequest' responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/V2EvalConfiguration' '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' security: - LightsageApiKeyAuth: [] components: schemas: UpdateV2EvalConfigurationRequest: properties: name: type: string maxLength: 160 minLength: 1 title: Name repository_id: type: string title: Repository Id environment_id: type: string title: Environment Id mcp_server_ids: anyOf: - items: type: string type: array - type: 'null' title: Mcp Server Ids cli_ids: anyOf: - items: type: string type: array - type: 'null' title: Cli Ids skill_ids: anyOf: - items: type: string type: array - type: 'null' title: Skill Ids skills: anyOf: - items: type: string type: array maxItems: 20 - type: 'null' title: Skills description: >- Public skill packages saved with this configuration, using GitHub `owner/repository` references. include_docs: type: boolean title: Include Docs search_grounding: anyOf: - $ref: '#/components/schemas/SearchGroundingMode' - type: 'null' description: Replacement web-retrieval policy. Omit it to keep the saved value. additionalProperties: false type: object title: UpdateV2EvalConfigurationRequest V2EvalConfiguration: properties: id: type: string title: Id eval_id: type: string title: Eval Id name: type: string title: Name repository_id: anyOf: - type: string - type: 'null' title: Repository Id environment_id: anyOf: - type: string - type: 'null' title: Environment Id mcp_server_ids: items: type: string type: array title: Mcp Server Ids cli_ids: items: type: string type: array title: Cli Ids skill_ids: items: type: string type: array title: Skill Ids skills: items: type: string type: array title: Skills description: >- Public GitHub `owner/repository` skill packages installed for this configuration. include_docs: type: boolean title: Include Docs default: false search_grounding: $ref: '#/components/schemas/SearchGroundingMode' description: 'Saved web-retrieval policy: disabled, enabled, or default.' default: default created_at: anyOf: - type: string - type: 'null' title: Created At updated_at: anyOf: - type: string - type: 'null' title: Updated At type: object required: - id - eval_id - name title: V2EvalConfiguration HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError SearchGroundingMode: type: string enum: - disabled - enabled - default title: SearchGroundingMode description: Requested web-retrieval behavior for an eval run. ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array title: Location msg: type: string title: Message type: type: string title: Error Type input: title: Input ctx: type: object title: Context type: object required: - loc - msg - type title: ValidationError securitySchemes: LightsageApiKeyAuth: type: apiKey in: header name: X-Lightsage-Api-Key ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.