openapi: 3.2.0
info:
  description: The Assets and Assessments APIs enable apps to manage assets and their related condition assessments.
  title: Assets and Assessments Assets/Attributes API
  version: v4
servers:
- url: https://apis.accela.com/
tags:
- name: Assets/Attributes
  description: In addition to these asset properties, assets can also have custom attributes which are customized characteristics of assets, structures, and establishments. Asset custom attributes can be grouped into a template, which can be used to create an asset. In addition to custom attributes, asset attribute data can be collected into an attribute table.
paths:
  /v4/assets/{id}/attributes:
    get:
      description: 'Returns the custom attribute values for a given asset. The custom attributes are configured in an attribute template which is assigned to the asset type in Civic Platform Administration.


        **API Endpoint**: GET /v4/assets/{id}/attributes


        **Scope**: assets


        **App Type**: Agency


        **Authorization Type**: Access token


        **Civic Platform version**: 9.0.0'
      summary: Get Asset Custom Attributes
      operationId: getV4AssetsByIdAttributes
      tags:
      - Assets/Attributes
      parameters:
      - $ref: '#/components/parameters/authHeaderParam'
      - $ref: '#/components/parameters/idAssetPathParam'
      - $ref: '#/components/parameters/lang'
      responses:
        '200':
          description: 'Successful request. Note: A successful request may return no data matching the filter criteria. A successful request may also return messages related to Event Manager Scripting Engine back-end processing.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/response_customAttributeModelArray'
        '400':
          description: Invalid request.
        '401':
          description: Authorization failed.
        '403':
          description: Forbidden request.
        '404':
          description: Requested resource not found.
        '500':
          description: Internal server error or bad connection.
      x-operation-id-source: derived
    put:
      description: 'Updates the custom attributes for a given asset. The response returns an array containing any custom attribute validation error and the status of the asset update.


        **API Endpoint**: PUT /v4/assets/{id}/attributes


        **Scope**: assets


        **App Type**: Agency


        **Authorization Type**: Access token


        **Civic Platform version**: 9.0.0'
      summary: Update Asset Custom Attributes
      operationId: v4.put.assets.id.attributes
      tags:
      - Assets/Attributes
      parameters:
      - $ref: '#/components/parameters/authHeaderParam'
      - description: The ID of the asset to be updated.
        in: path
        name: id
        required: true
        schema:
          type: string
      - $ref: '#/components/parameters/fields'
      - $ref: '#/components/parameters/lang'
      responses:
        '200':
          description: 'Successful request. Note: A successful request may return no data matching the filter criteria. A successful request may also return messages related to Event Manager Scripting Engine back-end processing.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/response_resultModelArray'
        '400':
          description: Invalid request.
        '401':
          description: Authorization failed.
        '403':
          description: Forbidden request.
        '404':
          description: Requested resource not found.
        '500':
          description: Internal server error or bad connection.
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/customAttributeModel'
        description: 'The custom attributes to be updated. Ex. [{ "field1": "field1Val", "field2": "field2Val"}]'
        required: true
  /v4/assets/{id}/attributes/meta:
    get:
      description: 'Returns an array containing the metadata of the asset custom attributes. The metadata is configured in an attributes template which is assigned to the asset type in Civic Platform Administration.


        **API Endpoint**: GET /v4/assets/{id}/attributes/meta


        **Scope**: assets


        **App Type**: Agency


        **Authorization Type**: Access token


        **Civic Platform version**: 9.0.0'
      summary: Get Metadata of Asset Custom Attributes
      operationId: v4.get.assets.id.attributes.meta
      tags:
      - Assets/Attributes
      parameters:
      - $ref: '#/components/parameters/authHeaderParam'
      - description: The ID of the asset to fetch.
        in: path
        name: id
        required: true
        schema:
          type: string
      - $ref: '#/components/parameters/fields'
      - $ref: '#/components/parameters/lang'
      responses:
        '200':
          description: 'Successful request. Note: A successful request may return no data matching the filter criteria. A successful request may also return messages related to Event Manager Scripting Engine back-end processing.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/response_attributeMetadataModelArray'
        '400':
          description: Invalid request.
        '401':
          description: Authorization failed.
        '403':
          description: Forbidden request.
        '404':
          description: Requested resource not found.
        '500':
          description: Internal server error or bad connection.
components:
  schemas:
    response_resultModelArray:
      type: object
      properties:
        result:
          items:
            $ref: '#/components/schemas/resultModel'
          type: array
        status:
          type: integer
          description: The HTTP return status.
    attributeMetadataModel:
      type: object
      properties:
        attributeGroup:
          description: The group the attribute belongs to.
          type: string
        attributeLabel:
          description: The attribute's display label.
          type: string
        attributeLength:
          description: The number of characters the attribute field allows.
          type: string
        attributeName:
          description: The unique name of the attribute. This name is for administrative use only; it is not used for display purposes.
          type: string
        defaultValue:
          description: The attribute's default value.
          type: string
        description:
          description: The attribute's description.
          type: string
        displayOrder:
          description: The attribute's display position.
          format: int64
          type: integer
        displayStatus:
          description: The attribute's display status.
          type: string
        isDropdownList:
          description: Indicates whether or not the attribute is a dropdown list.
          enum:
          - Y
          - N
          type: string
        options:
          description: Contains the dropdown list values.
          items:
            type: string
          type: array
        rangeSearchFlag:
          description: Indicates whether or not the attribute allows a search range.
          type: string
        recordStatus:
          description: Indicates whether or not the attribute is active.
          type: string
        searchableFlag:
          description: Indicates whether or not the attribute is searchable.
          type: string
        unitType:
          description: The unit of measure used with the attribute.
          type: string
        updatedBy:
          description: The user who last updated the attribute.
          type: string
        updatedDate:
          description: The date and time the attribute was last updated.
          format: date-time
          type: string
        valueDataType:
          description: The data type of the attribute value.
          type: string
        valueRequired:
          description: Indicates whether or not the attribute value is required.
          type: string
    resultModel:
      type: object
      properties:
        code:
          description: The error code, if an error is encountered.
          type: string
        id:
          description: The system id of the object in this operation.
          format: int64
          type: integer
        isSuccess:
          description: Indicates whether or not the operation on the object is successful.
          type: boolean
        message:
          description: The error message, if an error is encountered
          type: string
    response_attributeMetadataModelArray:
      type: object
      properties:
        result:
          items:
            $ref: '#/components/schemas/attributeMetadataModel'
          type: array
        status:
          type: integer
          description: The HTTP return status.
    customAttributeModel:
      type: object
      properties:
        aCustomFieldName:
          description: The name of a custom field.
          type: string
        aCustomFieldValue:
          description: The value of a custom field.
          type: string
    response_customAttributeModelArray:
      type: object
      properties:
        result:
          items:
            $ref: '#/components/schemas/customAttributeModel'
          type: array
        status:
          type: integer
          description: The HTTP return status.
  parameters:
    fields:
      description: Comma-delimited names of fields to be returned in the response. Note - Field names are case-sensitive and only first-level fields are supported. Invalid field names are ignored.
      in: query
      name: fields
      required: false
      schema:
        type: string
    authHeaderParam:
      description: Construct oAuth2 authentication token
      in: header
      name: Authorization
      required: true
      schema:
        type: string
    lang:
      description: Language parameter to support I18N. Default language is en_US.
      in: query
      name: lang
      required: false
      schema:
        type: string
    idAssetPathParam:
      description: The ID of the asset to fetch. See [Get All Assets](./api-assets-assessments.html#operation/v4.get.assets).
      in: path
      name: id
      required: true
      schema:
        type: string
x-api-evangelist-provenance:
  generated: '2026-09-06'
  method: searched
  source: https://developer.accela.com/api/v4/v4-assets-assessments.json
  note: Harvested verbatim from the Accela Developer Portal API Reference, which renders these Swagger 2.0 documents via ReDoc (spec-url on developer.accela.com/docs/api_reference/api-*.html). The byte-identical original is kept at openapi/_original/. This copy is the same document serialized to YAML.