Multiple File Upload - OAS3

swagger: '2.0'
info:
  description: 'This is a sample server Petstore server.  You can find out more about Swagger at [http://swagger.io](http://swagger.io) or on [irc.freenode.net, #swagger](http://swagger.io/irc/).  For this sample, you can use the api key `special-key` to test the authorization filters.'
  version: 1.0.6
  title: Swagger Petstore
  termsOfService: http://swagger.io/terms/
  contact:
    email: [email protected]
  license:
    name: Apache 2.0
    url: http://www.apache.org/licenses/LICENSE-2.0.html
host: petstore.swagger.io
basePath: /v2
tags:
  - name: pet
    description: Everything about your Pets
    externalDocs:
      description: Find out more
      url: http://swagger.io
schemes:
  - https
  - http
paths:
  /pet/{petId}/uploadImage:
    post:
      tags:
        - pet
      summary: uploads an image
      description: ''
      operationId: uploadFile
      consumes:
        - multipart/form-data
      produces:
        - application/json
      parameters:
        - name: petId
          in: path
          description: ID of pet to update
          required: true
          type: integer
          format: int64
        - name: additionalMetadata
          in: formData
          description: Additional data to pass to server
          required: false
          type: string
        - name: file
          in: formData
          description: file to upload
          required: false
          type: file
        - name: multi_files
          in: formData
          type: array
          items:
            type: string
            format: binary
      responses:
        '200':
          description: successful operation
          schema:
            $ref: '#/definitions/ApiResponse'
definitions:
  ApiResponse:
    type: object
    properties:
      code:
        type: integer
        format: int32
      type:
        type: string
      message:
        type: string
externalDocs:
  description: Find out more about Swagger
  url: http://swagger.io