artisan-1.x-dev/components/breadcrumb/breadcrumb.component.yml

$schema: https://git.drupalcode.org/project/drupal/-/raw/HEAD/core/assets/schemas/v1/metadata.schema.json
name: Breadcrumb
props:
  type: object
  properties:
    attributes:
      type: Drupal\Core\Template\Attribute
      name: Attributes
      title: Attributes
      examples:
        - class: [ 'example-attributes-class' ]
    breadcrumb_attributes:
      type: Drupal\Core\Template\Attribute
      name: Attributes
      title: Attributes
      examples:
        - class: [ 'example-breadcrumb-attributes-class' ]
    breadcrumb_item_attributes:
      type: Drupal\Core\Template\Attribute
      name: Attributes
      title: Attributes
      examples:
        - class: [ 'example-breadcrumb-item-attributes-class' ]
    breadcrumb:
      title: Breadcrumb
      description: Contains breadcrumb items
      type: array
      items:
        type: object
      minItems: 1
      uniqueItems: true
      examples:
        -
          - { text: Item1, url: '#' }
          - { text: Item2, url: '#' }
          - { text: Item3 }