entity_print-8.x-2.2/modules/entity_print_views/config/schema/entity_print_views.schema.yml

views.field.entity_print_link:
  type: views.field.entity_link
  label: 'Print link'
  mapping:
    export_type:
      type: string
      label: 'The machine name of the export type'
    open_new_window:
      type: boolean
      label: 'Open link in new window'