acquia_vwo-1.0.x-dev/modules/acquia_vwo_content/config/schema/acquia_vwo_content.settings.yml

acquia_vwo_content.settings:
  type: config_object
  label: 'Acquia VWO API Key'
  mapping:
    api:
      type: mapping
      mapping:
        key:
          type: string
          lable: 'API Key'