meta:
  title: "#1853 - OpenAPI 3.0 path parameter missing both `schema` and `content`"
input:
  openapi: 3.0.0
  info:
    title: Contact List API
    description: CRUD a simple Contact item.
    version: '0.1'
  paths:
    /:
      get:
        summary: Get a single contact by Id
        operationId: getContactById
        responses:
          "200":
            description: ok
        parameters: 
          - name: contactId
            in: path
            description: ID of contact to return
            required: true
output:
  length: 1
  match:
  - level: error
    message: should have either a `schema` or `content` property
    path: [paths, /, get, parameters, "0"]
    source: structural