/updateuser/{userId}:
x-swagger-router-controller: User
put:
  tags:
    - User
  summary:  Update User
  description: Update User
  operationId: updateUser
  parameters:
    - name: userId
      in: query
      description: userId for which subscription needs to be updated
      type: string
      required: true
    - name: subData
      in: body
      description: Subscription To be updated
      schema:
       type: array
       items:
        $ref: "#/definitions/userDataInput"
  responses:
    "200":
      description: Success
      schema:
        $ref: "#/definitions/Response"
    "500":
      description: Error
      schema:
        $ref: "#/definitions/ErrorResponse"


definitions:
 userDataInput:
 required:
  - productId
  - subscriptionId
 properties:
  productId:
    type: string
  subscriptionId:
    type: string

var yaml = require('js-yaml')
var fs = require('fs')
var swaggerObject
try {
swaggerObject = yaml.safeLoad(fs.readFileSync('swagger.yaml'), 'utf8')
} catch (err) {
 // Error here
}

var Validator = require('swagger-model-validator')
var validator = new Validator(swaggerObject)
var validation = validator.swagger.validateModel('subData', body,
false, true)
if (validation.valid) {
// logic here
} else {
// show error
}