user_with_id_specs.yml

This is the summary defined in yaml file
Get single User endpoint
---
tags:
  - users
parameters:
  - in: path
    name: user_id
    type: string
    required: true
definitions:
  User:
    type: object
    properties:
      user_id:
        type: string
      user_name:
        type: string
responses:
  200:
    description: A user matching the specified id
    schema:
      $ref: '#/definitions/User'
    examples:
      - {"user_id": "1234", "user_name": "Nicholai Hel"}