---
get:
  description: Perform a lookup in the search index
  parameters:
    - name: filter
      in: query
      required: true
      description: Filter index fields and content
      schema:
        type: object
    - name: format
      in: query
      required: false
      description: "Format of the results, e.g. {object_id} {title}"
      schema:
        type: string
    - name: sort_order
      in: query
      required: false
      schema:
        type: string
    - name: offset
      in: query
      required: false
      schema:
        type: integer
    - name: maxRecords
      in: query
      required: false
      schema:
        type: integer
  responses:
    '200':
      description: search result
      content:
        application/json:
          schema:
            type: object
            properties:
              resultset:
                type: object
    '405':
      description: not available
      content:
        application/json:
          schema:
            $ref: schemas-Error.yaml