> ## Documentation Index
> Fetch the complete documentation index at: https://developer.lexful.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Update Property on Asset Type

> Partially update a property on an asset type. Can only modify ext_ properties on system asset types without system_entity_type_update permission.



## OpenAPI

````yaml /api/openapi.yaml patch /v1/asset_types/{assetTypeIdOrName}/properties/{propertyName}
openapi: 3.0.3
info:
  title: Documentation Service API
  description: API documentation for Documentation Service
  version: 1.0.0
servers:
  - url: https://api.us.lexful.app
    description: US pod
security:
  - bearerAuth: []
    accountId: []
paths:
  /v1/asset_types/{assetTypeIdOrName}/properties/{propertyName}:
    patch:
      tags:
        - Asset Types
      summary: Update Property on Asset Type
      description: >-
        Partially update a property on an asset type. Can only modify ext_
        properties on system asset types without system_entity_type_update
        permission.
      parameters:
        - schema:
            type: string
          in: path
          name: assetTypeIdOrName
          required: true
          description: Asset type ID (UUID) or name (e.g., system.configuration)
        - schema:
            type: string
          in: path
          name: propertyName
          required: true
          description: Property name
      requestBody:
        $ref: >-
          #/components/requestBodies/patch_v1_asset_types__assetTypeIdOrName__properties__propertyName__request
      responses:
        '200':
          $ref: '#/components/responses/UpdatePropertyonAssetTypeResponse'
        '400':
          $ref: '#/components/responses/BadRequestResponse'
        '403':
          $ref: '#/components/responses/ForbiddenResponse'
        '404':
          $ref: '#/components/responses/NotFoundResponse'
        '500':
          $ref: '#/components/responses/InternalServerErrorResponse'
components:
  requestBodies:
    patch_v1_asset_types__assetTypeIdOrName__properties__propertyName__request:
      required: true
      content:
        application/json:
          schema:
            $ref: >-
              #/components/schemas/patch_v1_asset_types__assetTypeIdOrName__properties__propertyName__request_application_json
  responses:
    UpdatePropertyonAssetTypeResponse:
      description: Default Response
      content:
        application/json:
          schema:
            $ref: >-
              #/components/schemas/UpdatePropertyonAssetTypeResponse_application_json
    BadRequestResponse:
      description: Bad request - validation error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    ForbiddenResponse:
      description: Forbidden - insufficient permissions
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    NotFoundResponse:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    InternalServerErrorResponse:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  schemas:
    patch_v1_asset_types__assetTypeIdOrName__properties__propertyName__request_application_json:
      type: object
      properties:
        required:
          type: boolean
        display_name:
          type: string
        enum:
          type: array
          items:
            type: string
    UpdatePropertyonAssetTypeResponse_application_json:
      type: object
      properties:
        name:
          type: string
          description: Property name
        type:
          type: string
          enum:
            - string
            - number
            - integer
            - boolean
            - array
            - secret
            - totp
            - file
            - date
            - datetime
            - richtext
            - richtext_large
          description: Property type
        display_name:
          type: string
          description: Display name for UI
        description:
          type: string
          description: Property description
        required:
          type: boolean
          description: Whether this property is required
        enum:
          type: array
          items:
            anyOf:
              - type: string
              - type: number
              - type: boolean
          description: Allowed values for this property
        array:
          $ref: >-
            #/components/schemas/UpdatePropertyonAssetTypeResponse_application_json_array
        file_rules:
          $ref: >-
            #/components/schemas/UpdatePropertyonAssetTypeResponse_application_json_file_rules
        monitors:
          type: array
          description: Monitors targeting this property (only present when expand=monitors)
          items:
            $ref: >-
              #/components/schemas/UpdatePropertyonAssetTypeResponse_application_json_monitors_items
      required:
        - name
        - type
        - display_name
        - required
    ErrorResponse:
      description: Bad request - validation error
      type: object
      properties:
        status:
          type: number
          description: HTTP status code
        message:
          type: string
          description: Error message
        error_id:
          type: string
          description: Unique error identifier
        error_code:
          type: string
          description: Error code
        developer_message:
          type: string
          description: Additional details for developers
    UpdatePropertyonAssetTypeResponse_application_json_array:
      type: object
      properties:
        type:
          type: string
          enum:
            - string
            - number
            - integer
            - boolean
            - object
          description: Array item type
        properties:
          type: array
          items:
            $ref: >-
              #/components/schemas/UpdatePropertyonAssetTypeResponse_application_json_array_properties_items
          description: Properties for object array items
      description: Array item configuration
    UpdatePropertyonAssetTypeResponse_application_json_file_rules:
      type: object
      properties:
        max_size:
          type: number
          description: Maximum file size in bytes
        allowed_extensions:
          type: array
          items:
            type: string
          description: Allowed file extensions (e.g., [".pdf", ".jpg"])
        allowed_mime_types:
          type: array
          items:
            type: string
          description: Allowed MIME types (e.g., ["application/pdf", "image/jpeg"])
      description: File validation rules
    UpdatePropertyonAssetTypeResponse_application_json_monitors_items:
      type: object
      properties:
        id:
          type: string
          format: uuid
          description: Monitor ID
        name:
          type: string
          description: Monitor name
        kind:
          type: string
          description: Monitor kind
        enabled:
          type: boolean
          description: Whether the monitor is active
        config:
          type: object
          nullable: true
          additionalProperties: true
          description: Monitor configuration
      required:
        - id
        - name
        - kind
        - enabled
    UpdatePropertyonAssetTypeResponse_application_json_array_properties_items:
      type: object
      properties:
        name:
          type: string
          description: Property name
        type:
          type: string
          enum:
            - string
            - number
            - integer
            - boolean
          description: Property type
        description:
          type: string
          description: Property description
        required:
          type: boolean
          description: Whether this property is required
        enum:
          type: array
          items:
            anyOf:
              - type: string
              - type: number
              - type: boolean
          description: Allowed values
      required:
        - name
        - type
        - required
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Bearer token
    accountId:
      type: apiKey
      in: header
      name: X-Account-ID
      description: Account ID

````