swagger: '2.0'
info:
  title: test
  version: 0.0.0
paths:
  /report:
    get:
      parameters:
        - in: query
          name: rel_date
          required: true
          type: string
          default: today
          enum:
            - today
            - yesterday
            - lastweek
      responses:
        200:
          description: OK