> ## Documentation Index > Fetch the complete documentation index at: https://www.adaline.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Update Dataset Column > Update a column's name or settings. ## OpenAPI ````yaml PATCH /datasets/{datasetId}/columns/{columnId} openapi: 3.1.1 info: title: Adaline API version: 2.0.0 description: >- Public API for managing Adaline projects, prompts, datasets, evaluators, evaluations, providers, models, and deployments. Generated from Zod schemas — this spec is the single source of truth. servers: - url: https://api.adaline.ai/v2 description: Production API security: [] tags: - name: datasets description: Manage prompt datasets and their columns and rows. - name: projects description: List and manage Adaline projects. - name: providers description: List configured LLM providers and their settings. - name: models description: List available models across providers. - name: prompts description: Create and manage prompts and their drafts. - name: evaluators description: Configure evaluators attached to a prompt. - name: evaluations description: Run and inspect evaluation results. - name: deployments description: Retrieve deployed prompt snapshots. - name: logs description: Ingest execution traces and spans for observability. paths: /datasets/{datasetId}/columns/{columnId}: patch: tags: - datasets summary: Update a dataset column description: Update a column's name or settings. operationId: updateDatasetColumn parameters: - schema: $ref: '#/components/schemas/BaseEntityId' required: true name: datasetId in: path - schema: $ref: '#/components/schemas/BaseEntityId' required: true name: columnId in: path requestBody: content: application/json: schema: type: object properties: name: type: string minLength: 1 settings: anyOf: - type: object properties: promptId: $ref: '#/components/schemas/BaseEntityId' required: - promptId title: Prompt Column Settings - type: object properties: method: $ref: '#/components/schemas/ApiHttpMethod' url: type: string format: uri headers: type: object additionalProperties: type: string bodyTemplate: anyOf: - type: object additionalProperties: true title: Object Template description: A JSON object template for the request body. - type: string title: String Template required: - method - url title: API Column Settings - type: object properties: {} title: Static Column Settings responses: '200': description: Column updated. content: application/json: schema: $ref: '#/components/schemas/DatasetColumn' headers: X-Request-Id: description: >- Unique identifier for the request. Returned in every response. Send a custom value to correlate requests, or omit to receive a generated UUID. schema: type: string format: uuid '400': description: Bad request — validation error. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '401': description: Unauthorized — invalid or missing API key. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '403': description: Forbidden — API key lacks access. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '404': description: Not found. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '500': description: Internal server error. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' security: - bearerAuth: [] components: schemas: BaseEntityId: title: Base Entity ID type: string description: Unique identifier for an entity, between 20 and 80 characters. minLength: 20 maxLength: 80 ApiHttpMethod: title: HTTP Method type: string enum: - GET - POST - PUT - PATCH - DELETE description: Standard HTTP request method. DatasetColumn: title: Dataset Column description: >- A dataset column, discriminated by `type`. Static columns have optional empty settings. Prompt columns require `promptId`. API columns require `method` + `url`. oneOf: - title: Static Column type: object properties: id: $ref: '#/components/schemas/BaseEntityId' name: type: string type: type: string enum: - static settings: type: object properties: {} description: Static columns have no configurable settings. createdAt: $ref: '#/components/schemas/UnixTimestamp' updatedAt: $ref: '#/components/schemas/UnixTimestamp' required: - id - name - type - settings - createdAt - updatedAt - title: Prompt Column type: object properties: id: $ref: '#/components/schemas/BaseEntityId' name: type: string type: type: string enum: - prompt settings: type: object required: - promptId properties: promptId: $ref: '#/components/schemas/BaseEntityId' createdAt: $ref: '#/components/schemas/UnixTimestamp' updatedAt: $ref: '#/components/schemas/UnixTimestamp' required: - id - name - type - settings - createdAt - updatedAt - title: API Column type: object properties: id: $ref: '#/components/schemas/BaseEntityId' name: type: string type: type: string enum: - api settings: type: object required: - method - url properties: method: $ref: '#/components/schemas/ApiHttpMethod' url: type: string format: uri headers: type: object additionalProperties: type: string bodyTemplate: anyOf: - type: object additionalProperties: true title: Object Template description: A JSON object template for the request body. - type: string title: String Template description: API-driven column settings. Secret headers are redacted. createdAt: $ref: '#/components/schemas/UnixTimestamp' updatedAt: $ref: '#/components/schemas/UnixTimestamp' required: - id - name - type - settings - createdAt - updatedAt discriminator: propertyName: type ErrorResponse: title: Error Response type: object description: >- Standard error response envelope. Permits backend-specific sibling fields (e.g. Zod issue details) alongside the typed `error`. properties: error: description: >- Error details — typed envelope, or a raw string reason when the backend's validator produces a short summary (e.g. Zod validation fallback). oneOf: - type: string - type: object properties: code: type: string description: Machine-readable error code. enum: - VALIDATION_ERROR - INVALID_CURSOR - AUTHENTICATION_REQUIRED - FORBIDDEN - RESOURCE_NOT_FOUND - CONFLICT - PAYLOAD_TOO_LARGE - RATE_LIMITED - INTERNAL_ERROR message: type: string description: Human-readable error message. details: type: array description: Optional field-level validation details. items: type: object properties: field: type: string issue: type: string required: - field - issue required: - code - message additionalProperties: true required: - error additionalProperties: true UnixTimestamp: title: Unix Timestamp type: integer format: int64 description: Unix timestamp in milliseconds. minimum: 1672511400000 maximum: 33229420200000 securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: API Key description: 'Workspace API key. Pass as `Authorization: Bearer `.' ````