type: object
description: WebSocket request for sparql-query service (flow-hosted service)
required:
  - id
  - service
  - flow
  - request
properties:
  id:
    type: string
    description: Unique request identifier
  service:
    type: string
    const: sparql-query
    description: Service identifier for sparql-query service
  flow:
    type: string
    description: Flow ID
  request:
    type: object
    required:
      - query
    properties:
      query:
        type: string
        description: SPARQL 1.1 query string
      collection:
        type: string
        default: default
        description: Collection identifier
      limit:
        type: integer
        default: 10000
        description: Safety limit on number of results
examples:
  - id: req-1
    service: sparql-query
    flow: my-flow
    request:
      query: "SELECT ?s ?p ?o WHERE { ?s ?p ?o } LIMIT 10"
      collection: default