> ## Documentation Index > Fetch the complete documentation index at: https://docs.domino.ai/llms.txt > Use this file to discover all available pages before exploring further. # Tag a Snapshot in this Dataset > Tag a Snapshot in this Dataset with the given tagName. Requires Update access to the Dataset ## OpenAPI ````yaml /api-specs/cloud/public-api.json post /api/datasetrw/v1/datasets/{datasetId}/tags openapi: 3.0.3 info: title: Domino Public API description: Reference for Domino's public REST API endpoints. version: 6.4.0 x-catalog-key: nucleus servers: - url: https://mycluster.domino.tech description: >- Replace 'mycluster.domino.tech' with your Domino cluster hostname. For Domino Cloud customers, that is `your-subdomain`.domino.tech (e.g., acme.domino.tech). For self-hosted deployments, it is the hostname you reach the Domino UI at. security: [] tags: - name: Projects - name: Project templates - name: Workspaces - name: Jobs - name: HPC Jobs - name: Environments - name: Hardware Tiers - name: Datasets - name: Data Sources - name: GenAI - name: AI Systems - name: Apps - name: App versions - name: App instances - name: Model APIs - name: Registered models - name: Model deployment - name: Extensions - name: Cost and billing - name: Users and organizations - name: Service accounts - name: Personal Access Tokens - name: Personal Access Tokens (admin) - name: Audit Trail - name: Custom metrics - name: PPM - name: Model Monitoring models - name: Model Monitoring drift and quality - name: Model Monitoring settings - name: Model Monitoring authentication - name: Governance bundles - name: Governance policies - name: Governance evidence and results - name: Governance operations - name: NetApp Volumes - name: NetApp Volumes snapshots - name: NetApp Volumes filesystems - name: NetApp Volumes transfers - name: Tags - name: Properties externalDocs: description: OpenAPI url: https://swagger.io/resources/open-api/ paths: /api/datasetrw/v1/datasets/{datasetId}/tags: post: tags: - Datasets summary: Tag a Snapshot in this Dataset description: >- Tag a Snapshot in this Dataset with the given tagName. Requires Update access to the Dataset operationId: addDatasetTag parameters: - description: Dataset ID in: path name: datasetId required: true schema: type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/DatasetRwTagToAddV1' description: Tag name and Snapshot ID to apply it to required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/DatasetRwEnvelopeV1' description: Success '400': $ref: '#/components/responses/400' '401': $ref: '#/components/responses/401' '403': $ref: '#/components/responses/403' '404': $ref: '#/components/responses/404' '500': $ref: '#/components/responses/500' security: - DominoApiKey: [] - BearerAuthentication: [] components: schemas: DatasetRwTagToAddV1: properties: snapshotId: description: ID of a Snapshot belonging to the Dataset example: 62313ce67a0af0281c01a6a5 type: string tagName: description: Name of the tag to add to a Snapshot example: MyTag type: string required: - tagName - snapshotId type: object DatasetRwEnvelopeV1: properties: dataset: $ref: '#/components/schemas/DatasetRwDetailsV1' metadata: $ref: '#/components/schemas/MetadataV1' required: - dataset - metadata type: object DatasetRwDetailsV1: properties: createdAt: description: When the Dataset was created example: '2022-03-12T02:13:44.467Z' format: date-time type: string description: description: A description of the Dataset type: string id: description: ID of the Dataset example: 62313ce67a0af0281c01a6a5 type: string name: description: Name of the Dataset example: My Dataset type: string projectId: description: ID of the project this Dataset belongs to example: 62313ce67a0af0281c01a6a5 type: string snapshotIds: description: List of Snapshot IDs belonging to this Dataset items: type: string type: array tags: $ref: '#/components/schemas/DatasetRwTagsV1' required: - id - name - createdAt - snapshotIds - tags type: object MetadataV1: properties: notices: description: Notices relating to the request items: type: string type: array requestId: type: string required: - requestId - notices type: object ErrorV1: properties: code: description: Machine-readable error code. example: NOT_FOUND type: string message: description: Human-readable description of the error. example: The requested HPC Job could not be found. type: string required: - message type: object DatasetRwTagsV1: additionalProperties: type: string description: A map of tagName -> snapshotId example: bar: 62313ce67a0af0281c01a6a5 foo: 62313ce67a0af0281c01a6a5 type: object responses: '400': content: application/json: schema: properties: error: type: string type: object description: Bad Request '401': content: application/json: example: code: UNAUTHORIZED message: Authentication is required to access this resource. schema: $ref: '#/components/schemas/ErrorV1' description: Unauthorized - authentication is required or has failed. '403': content: application/json: example: code: FORBIDDEN message: You do not have permission to perform this action. schema: $ref: '#/components/schemas/ErrorV1' description: Forbidden - the caller lacks permission to perform this action. '404': content: application/json: schema: properties: error: type: string type: object description: Not Found '500': content: application/json: schema: properties: error: type: string type: object description: Internal Server Error securitySchemes: DominoApiKey: type: apiKey in: header name: X-Domino-Api-Key BearerAuthentication: type: apiKey name: Authorization in: header ```` ## Related topics - [Use Datasets and snapshots](/cloud/platform-capabilities/core-concepts/data/datasets/use-datasets-and-snapshots.md) - [Version data with Snapshots](/cloud/platform-capabilities/core-concepts/data/datasets/version-data-with-snapshots.md) - [Configure Billing Tags, Budgets, and Alerts](/cloud/admin/operations/finops/1-budgets-alerts.md) - [Datasets administration](/cloud/admin/data-administration/datasets.md)