> ## Documentation Index
> Fetch the complete documentation index at: https://docs.internal.nscale.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List cluster requirement verdict columns

> Requirement columns for every cluster-scale acceptance gate.

One entry per gate the verdicts endpoint sections, in the same order and
over the same shared gate resolution — the `gate` values a caller reads here
are exactly the ones that endpoint answers for.



## OpenAPI

````yaml /openapi/fleet-manager-openapi.yaml get /api/v1/sites/{site_id}/operations/cluster-requirement-verdicts-columns/
openapi: 3.0.3
info:
  title: Fleet Manager API
  version: 1.0.0
  description: API for the Nscale Fleet Manager
servers: []
security: []
paths:
  /api/v1/sites/{site_id}/operations/cluster-requirement-verdicts-columns/:
    get:
      tags:
        - Operations
      summary: List cluster requirement verdict columns
      description: >-
        Requirement columns for every cluster-scale acceptance gate.


        One entry per gate the verdicts endpoint sections, in the same order and

        over the same shared gate resolution — the `gate` values a caller reads
        here

        are exactly the ones that endpoint answers for.
      operationId: api_v1_sites_operations_cluster_requirement_verdicts_columns_list
      parameters:
        - in: path
          name: site_id
          schema:
            type: string
            format: uuid
          description: Site identifier.
          required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ClusterGateColumns'
          description: ''
        '401':
          description: Authentication credentials were not provided or are invalid.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '403':
          description: You do not have permission to perform this action.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Not found.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
        - oauth2:
            - operations:read
        - cookieAuth: []
components:
  schemas:
    ClusterGateColumns:
      type: object
      description: One cluster gate's column headers, without the verdicts behind them.
      properties:
        gate:
          type: string
          description: >-
            Opaque deployment-defined site acceptance gate identifier, as
            accepted by the cluster requirement verdicts endpoint.
          maxLength: 64
          pattern: ^[a-z0-9][a-z0-9._-]*$
        requirement_columns:
          type: array
          items:
            $ref: '#/components/schemas/RequirementColumn'
      required:
        - gate
        - requirement_columns
    ErrorResponse:
      type: object
      description: >-
        Uniform error body for every 4xx/5xx response. `detail` is a
        human-readable message, always present, safe to display to end users.
        `code` is the machine-readable identifier. `field_errors` lists
        per-input-field validation messages and is empty for non-field errors
        (auth, permission, not-found, conflict, server).
      required:
        - detail
        - code
        - field_errors
      properties:
        detail:
          type: string
        code:
          $ref: '#/components/schemas/ErrorCodeEnum'
        field_errors:
          type: array
          items:
            $ref: '#/components/schemas/FieldError'
    RequirementColumn:
      type: object
      properties:
        key:
          type: string
          description: Opaque response-local key. Consumers must not parse or construct it.
        name:
          type: string
        label:
          type: string
        description:
          type: string
          nullable: true
        resource_class:
          type: string
      required:
        - description
        - key
        - label
        - name
        - resource_class
    ErrorCodeEnum:
      type: string
      description: >-
        Stable machine-readable error identifier. New members may be added
        within this API version; clients must tolerate unknown values.
      enum:
        - error
        - invalid
        - parse_error
        - authentication_failed
        - not_authenticated
        - permission_denied
        - not_found
        - method_not_allowed
        - not_acceptable
        - unsupported_media_type
        - conflict
        - enrollment_infrastructure_reference_pending
        - enrollment_infrastructure_reference_changed
        - unprocessable_entity
        - throttled
        - service_unavailable
    FieldError:
      type: object
      description: One input field's validation messages.
      required:
        - field
        - messages
      properties:
        field:
          type: string
          description: >-
            Dotted path to the offending input field, or to the collection row
            when the whole row is invalid (e.g. `filters.end_date`,
            `memberships.0.role`, `memberships.0`).
        messages:
          type: array
          minItems: 1
          items:
            type: string
  securitySchemes:
    oauth2:
      type: oauth2
      flows: {}
    cookieAuth:
      type: apiKey
      in: cookie
      name: sessionid

````

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