> ## 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. # Set or clear property values for an entity > Apply a batch of set/clear operations to the entity's property values. Per-item failures do not abort the batch. Multi-select properties take their selection via the `values` array; all other types use `value`. ## OpenAPI ````yaml /api-specs/cloud/taxonomy-api.json patch /property-values/{entityType}/{entityId} openapi: 3.0.3 info: description: >- Microservice responsible for managing the Domino Taxonomy and Properties features title: Domino Taxonomy Microservice API termsOfService: http://swagger.io/terms/ contact: name: Domino Data Lab url: https://tickets.dominodatalab.com/hc/en-us email: support@dominodatalab.com license: name: Apache 2.0 url: http://www.apache.org/licenses/LICENSE-2.0.html version: '1.0' servers: - url: https://mycluster.domino.tech/api/taxonomy/v1 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: - description: Manage taxonomy namespaces. name: Tagging - Namespaces - description: Manage tags within namespaces. name: Tagging - Tags - description: Assign, remove, and list tag assignments on entities. name: Tagging - Entity Tags - description: Look up entities by tag. name: Tagging - Entities - description: Fetch the full namespace + tag hierarchy. name: Tagging - Taxonomy Tree - description: Validate and import taxonomy data from a file. name: Tagging - Import - description: Export the current taxonomy to a file. name: Tagging - Export - description: Internal-only endpoints for service-account callers. name: Tagging - Internal - description: Manage property definitions and their groups. name: Properties - Definitions - description: Read and update an entity's property values. name: Properties - Values - description: Internal-only endpoints for service-account callers (properties). name: Properties - Internal externalDocs: description: OpenAPI url: https://swagger.io/resources/open-api/ paths: /property-values/{entityType}/{entityId}: patch: tags: - Properties - Values summary: Set or clear property values for an entity description: >- Apply a batch of set/clear operations to the entity's property values. Per-item failures do not abort the batch. Multi-select properties take their selection via the `values` array; all other types use `value`. parameters: - description: Entity type name: entityType in: path required: true schema: type: string - description: Entity ID name: entityId in: path required: true schema: type: string - description: >- Entity version. Required for app_version; omitted for all other types (model_version is referenced by its version UUID) name: version in: query schema: type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/server.PatchPropertyValuesRequest' description: Items to apply required: true responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/taxonomy.PatchPropertyValuesResponse' '400': description: Bad Request content: application/json: schema: $ref: '#/components/schemas/server.HTTPError' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/server.HTTPError' '403': description: Forbidden content: application/json: schema: $ref: '#/components/schemas/server.HTTPError' '500': description: Internal Server Error content: application/json: schema: $ref: '#/components/schemas/server.HTTPError' components: schemas: server.PatchPropertyValuesRequest: type: object required: - items properties: items: type: array items: $ref: '#/components/schemas/taxonomy.PatchPropertyValuesItem' taxonomy.PatchPropertyValuesResponse: type: object properties: applied: type: array items: $ref: '#/components/schemas/taxonomy.PatchPropertyValuesItemResult' entityId: type: string entityType: $ref: '#/components/schemas/taxonomy.EntityType' errors: type: array items: $ref: '#/components/schemas/taxonomy.PatchPropertyValuesItemError' version: type: string server.HTTPError: type: object properties: message: type: string taxonomy.PatchPropertyValuesItem: type: object required: - propertyId properties: copyPolicy: $ref: '#/components/schemas/taxonomy.CopyPolicy' propertyId: type: string value: type: string values: type: array items: type: string taxonomy.PatchPropertyValuesItemResult: type: object properties: action: description: '"set" | "cleared" | "noop"' type: string propertyId: type: string taxonomy.EntityType: type: string enum: - dataset - project - project_template - model - model_version - app - app_version - netapp_volume - environment - policy - policy_version x-enum-varnames: - EntityTypeDataset - EntityTypeProject - EntityTypeProjectTemplate - EntityTypeModel - EntityTypeModelVersion - EntityTypeApp - EntityTypeAppVersion - EntityTypeNetappVolume - EntityTypeEnvironment - EntityTypePolicy - EntityTypePolicyVersion taxonomy.PatchPropertyValuesItemError: type: object properties: error: type: string propertyId: type: string taxonomy.CopyPolicy: type: string enum: - copy - emptyRequired - emptyOptional x-enum-varnames: - CopyPolicyCopy - CopyPolicyEmptyRequired - CopyPolicyEmptyOptional ```` ## Related topics - [Properties](/cloud/platform-capabilities/core-concepts/knowledge-management/properties.md) - [Clear all property values for an entity](/api-reference/properties--values/clear-all-property-values-for-an-entity.md) - [Get property values for an entity](/api-reference/properties--values/get-property-values-for-an-entity.md) - [Copy all property values from one entity to another](/api-reference/properties--internal/copy-all-property-values-from-one-entity-to-another.md)