allOf:
  - $ref: './BasicShazamChart.yaml'
  - type: object
    properties:
      total_positions:
        $ref: '../properties/total_positions.yaml'
    example:
      chart_id: 'shazam_us_1234'
      name: 'Shazam Top New York, US'
      city_id: '1234'
      city_name: 'New York'
      country_code: 'us'
      total_positions: 200