SEO.JSONLD.Certification (SEO v0.3.0-rc.0)

View Source

A Certification is an official and authoritative statement about a subject, for example a product, service, person, or organization. A certification is typically issued by an indendent certification body, for example a professional organization or government. It formally attests certain characteristics about the subject, for example Organizations can be ISO certified, Food products can be certified Organic or Vegan, a Person can be a certified professional, a Place can be certified for food processing. There are certifications for many domains: regulatory, organizational, recycling, food, efficiency, educational, ecological, etc. A certification is a form of credential, as are accreditations and licenses. Mapped from the gs1:CertificationDetails class in the GS1 Web Vocabulary.

Helper for building a Schema.org Certification JSON-LD structure.

Summary

Types

attrs()
t()

A JSON-LD map ready to be nested or rendered. String-keyed, always includes "@type" set to "Certification", plus any camelCased field keys the caller provided (see build/1). "@context" is added at render time by SEO.JSONLD.meta/1 on the top-level node only.

Functions

build(attrs)

Build a Certification JSON-LD map.

Types

attrs()

@type attrs() ::
  %{
    optional(:about) => SEO.JSONLD.Thing.t() | map(),
    optional(:audit_date) =>
      Date.t() | String.t() | DateTime.t() | NaiveDateTime.t(),
    optional(:certification_identification) =>
      String.t() | SEO.JSONLD.DefinedTerm.t() | map(),
    optional(:certification_rating) => SEO.JSONLD.Rating.t() | map(),
    optional(:certification_status) =>
      :certification_active | :certification_inactive,
    optional(:date_published) =>
      Date.t() | String.t() | DateTime.t() | NaiveDateTime.t(),
    optional(:expires) =>
      Date.t() | String.t() | DateTime.t() | NaiveDateTime.t(),
    optional(:has_measurement) => SEO.JSONLD.QuantitativeValue.t() | map(),
    optional(:issued_by) => SEO.JSONLD.Organization.t() | map(),
    optional(:logo) =>
      URI.t() | String.t() | SEO.JSONLD.ImageObject.t() | map(),
    optional(:valid_from) =>
      DateTime.t() | NaiveDateTime.t() | String.t() | Date.t(),
    optional(:valid_in) => SEO.JSONLD.AdministrativeArea.t() | map(),
    optional(:abstract) => String.t(),
    optional(:access_mode) => String.t(),
    optional(:access_mode_sufficient) => SEO.JSONLD.ItemList.t() | map(),
    optional(:accessibility_api) => String.t(),
    optional(:accessibility_control) => String.t(),
    optional(:accessibility_feature) => String.t(),
    optional(:accessibility_hazard) => String.t(),
    optional(:accessibility_summary) => String.t(),
    optional(:accountable_person) => SEO.JSONLD.Person.t() | map(),
    optional(:acquire_license_page) =>
      SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
    optional(:aggregate_rating) => SEO.JSONLD.AggregateRating.t() | map(),
    optional(:alternative_headline) => String.t(),
    optional(:archived_at) =>
      SEO.JSONLD.WebPage.t() | map() | URI.t() | String.t(),
    optional(:assesses) => String.t() | SEO.JSONLD.DefinedTerm.t() | map(),
    optional(:associated_media) => SEO.JSONLD.MediaObject.t() | map(),
    optional(:audience) => SEO.JSONLD.Audience.t() | map(),
    optional(:audio) =>
      SEO.JSONLD.Clip.t()
      | map()
      | SEO.JSONLD.MusicRecording.t()
      | SEO.JSONLD.AudioObject.t(),
    optional(:author) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:award) => String.t(),
    optional(:awards) => String.t(),
    optional(:character) => SEO.JSONLD.Person.t() | map(),
    optional(:citation) => SEO.JSONLD.CreativeWork.t() | map() | String.t(),
    optional(:comment) => SEO.JSONLD.Comment.t() | map(),
    optional(:comment_count) => integer(),
    optional(:conditions_of_access) => String.t(),
    optional(:content_location) => SEO.JSONLD.Place.t() | map(),
    optional(:content_rating) => String.t() | SEO.JSONLD.Rating.t() | map(),
    optional(:content_reference_time) =>
      DateTime.t() | NaiveDateTime.t() | String.t(),
    optional(:contributor) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:copyright_holder) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:copyright_notice) => String.t(),
    optional(:copyright_year) => number(),
    optional(:correction) =>
      SEO.JSONLD.CorrectionComment.t() | map() | String.t() | URI.t(),
    optional(:country_of_origin) => SEO.JSONLD.Country.t() | map(),
    optional(:creative_work_status) =>
      SEO.JSONLD.DefinedTerm.t() | map() | String.t(),
    optional(:creator) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:credit_text) => String.t(),
    optional(:date_created) =>
      DateTime.t() | NaiveDateTime.t() | String.t() | Date.t(),
    optional(:date_modified) =>
      DateTime.t() | NaiveDateTime.t() | String.t() | Date.t(),
    optional(:digital_source_type) =>
      :algorithmic_media_digital_source
      | :algorithmically_enhanced_digital_source
      | :composite_capture_digital_source
      | :composite_digital_source
      | :composite_synthetic_digital_source
      | :composite_with_trained_algorithmic_media_digital_source
      | :data_driven_media_digital_source
      | :digital_art_digital_source
      | :digital_capture_digital_source
      | :minor_human_edits_digital_source
      | :multi_frame_computational_capture_digital_source
      | :negative_film_digital_source
      | :positive_film_digital_source
      | :print_digital_source
      | :screen_capture_digital_source
      | :trained_algorithmic_media_digital_source
      | :virtual_recording_digital_source,
    optional(:discussion_url) => URI.t() | String.t(),
    optional(:display_location) => SEO.JSONLD.Place.t() | map(),
    optional(:edit_eidr) => String.t() | URI.t(),
    optional(:editor) => SEO.JSONLD.Person.t() | map(),
    optional(:educational_alignment) => SEO.JSONLD.AlignmentObject.t() | map(),
    optional(:educational_level) =>
      String.t() | URI.t() | SEO.JSONLD.DefinedTerm.t() | map(),
    optional(:educational_use) =>
      SEO.JSONLD.DefinedTerm.t() | map() | String.t(),
    optional(:encoding) => SEO.JSONLD.MediaObject.t() | map(),
    optional(:encoding_format) => String.t() | URI.t(),
    optional(:encodings) => SEO.JSONLD.MediaObject.t() | map(),
    optional(:example_of_work) => SEO.JSONLD.CreativeWork.t() | map(),
    optional(:file_format) => String.t() | URI.t(),
    optional(:funder) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:funding) => SEO.JSONLD.Grant.t() | map(),
    optional(:genre) =>
      String.t() | URI.t() | SEO.JSONLD.DefinedTerm.t() | map(),
    optional(:has_part) => SEO.JSONLD.CreativeWork.t() | map(),
    optional(:headline) => String.t(),
    optional(:in_language) => String.t() | SEO.JSONLD.Language.t() | map(),
    optional(:interaction_statistic) =>
      SEO.JSONLD.InteractionCounter.t() | map(),
    optional(:interactivity_type) => String.t(),
    optional(:interpreted_as_claim) => SEO.JSONLD.Claim.t() | map(),
    optional(:is_accessible_for_free) => boolean(),
    optional(:is_based_on) =>
      SEO.JSONLD.CreativeWork.t()
      | map()
      | SEO.JSONLD.Product.t()
      | URI.t()
      | String.t(),
    optional(:is_based_on_url) =>
      SEO.JSONLD.CreativeWork.t()
      | map()
      | SEO.JSONLD.Product.t()
      | URI.t()
      | String.t(),
    optional(:is_family_friendly) => boolean(),
    optional(:is_part_of) =>
      SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
    optional(:keywords) =>
      SEO.JSONLD.DefinedTerm.t() | map() | String.t() | URI.t(),
    optional(:learning_resource_type) =>
      String.t() | SEO.JSONLD.DefinedTerm.t() | map(),
    optional(:license) =>
      SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
    optional(:location_created) => SEO.JSONLD.Place.t() | map(),
    optional(:main_entity) => SEO.JSONLD.Thing.t() | map(),
    optional(:maintainer) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:material) =>
      String.t() | SEO.JSONLD.Product.t() | map() | URI.t(),
    optional(:material_extent) =>
      SEO.JSONLD.QuantitativeValue.t() | map() | String.t(),
    optional(:mentions) => SEO.JSONLD.Thing.t() | map(),
    optional(:offers) => SEO.JSONLD.Offer.t() | map() | SEO.JSONLD.Demand.t(),
    optional(:pattern) => SEO.JSONLD.DefinedTerm.t() | map() | String.t(),
    optional(:position) => String.t() | integer(),
    optional(:producer) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:provider) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:publication) => SEO.JSONLD.PublicationEvent.t() | map(),
    optional(:publisher) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:publisher_imprint) => SEO.JSONLD.Organization.t() | map(),
    optional(:publishing_principles) =>
      SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
    optional(:recorded_at) => SEO.JSONLD.Event.t() | map(),
    optional(:released_event) => SEO.JSONLD.PublicationEvent.t() | map(),
    optional(:review) => SEO.JSONLD.Review.t() | map(),
    optional(:reviews) => SEO.JSONLD.Review.t() | map(),
    optional(:schema_version) => String.t() | URI.t(),
    optional(:sd_date_published) => Date.t() | String.t(),
    optional(:sd_license) =>
      URI.t() | String.t() | SEO.JSONLD.CreativeWork.t() | map(),
    optional(:sd_publisher) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:size) =>
      SEO.JSONLD.DefinedTerm.t()
      | map()
      | SEO.JSONLD.QuantitativeValue.t()
      | String.t(),
    optional(:source_organization) => SEO.JSONLD.Organization.t() | map(),
    optional(:spatial) => SEO.JSONLD.Place.t() | map(),
    optional(:spatial_coverage) => SEO.JSONLD.Place.t() | map(),
    optional(:sponsor) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:teaches) => SEO.JSONLD.DefinedTerm.t() | map() | String.t(),
    optional(:temporal) => String.t() | DateTime.t() | NaiveDateTime.t(),
    optional(:temporal_coverage) =>
      String.t() | URI.t() | DateTime.t() | NaiveDateTime.t(),
    optional(:text) => String.t(),
    optional(:thumbnail) => SEO.JSONLD.ImageObject.t() | map(),
    optional(:thumbnail_url) => URI.t() | String.t(),
    optional(:time_required) => Duration.t() | String.t(),
    optional(:translation_of_work) => SEO.JSONLD.CreativeWork.t() | map(),
    optional(:translator) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:typical_age_range) => String.t(),
    optional(:usage_info) =>
      SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
    optional(:version) => String.t() | number(),
    optional(:video) =>
      SEO.JSONLD.VideoObject.t() | map() | SEO.JSONLD.Clip.t(),
    optional(:word_count) => integer(),
    optional(:work_example) => SEO.JSONLD.CreativeWork.t() | map(),
    optional(:work_translation) => SEO.JSONLD.CreativeWork.t() | map(),
    optional(:additional_type) => String.t() | URI.t(),
    optional(:alternate_name) => String.t(),
    optional(:description) => SEO.JSONLD.TextObject.t() | map() | String.t(),
    optional(:disambiguating_description) => String.t(),
    optional(:identifier) =>
      String.t() | URI.t() | SEO.JSONLD.PropertyValue.t() | map(),
    optional(:image) =>
      URI.t() | String.t() | SEO.JSONLD.ImageObject.t() | map(),
    optional(:main_entity_of_page) =>
      SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
    optional(:name) => String.t(),
    optional(:owner) =>
      SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
    optional(:potential_action) => SEO.JSONLD.Action.t() | map(),
    optional(:same_as) => URI.t() | String.t(),
    optional(:subject_of) =>
      SEO.JSONLD.Event.t() | map() | SEO.JSONLD.CreativeWork.t(),
    optional(:url) => URI.t() | String.t()
  }
  | [
      about: SEO.JSONLD.Thing.t() | map(),
      audit_date: Date.t() | String.t() | DateTime.t() | NaiveDateTime.t(),
      certification_identification:
        String.t() | SEO.JSONLD.DefinedTerm.t() | map(),
      certification_rating: SEO.JSONLD.Rating.t() | map(),
      certification_status: :certification_active | :certification_inactive,
      date_published: Date.t() | String.t() | DateTime.t() | NaiveDateTime.t(),
      expires: Date.t() | String.t() | DateTime.t() | NaiveDateTime.t(),
      has_measurement: SEO.JSONLD.QuantitativeValue.t() | map(),
      issued_by: SEO.JSONLD.Organization.t() | map(),
      logo: URI.t() | String.t() | SEO.JSONLD.ImageObject.t() | map(),
      valid_from: DateTime.t() | NaiveDateTime.t() | String.t() | Date.t(),
      valid_in: SEO.JSONLD.AdministrativeArea.t() | map(),
      abstract: String.t(),
      access_mode: String.t(),
      access_mode_sufficient: SEO.JSONLD.ItemList.t() | map(),
      accessibility_api: String.t(),
      accessibility_control: String.t(),
      accessibility_feature: String.t(),
      accessibility_hazard: String.t(),
      accessibility_summary: String.t(),
      accountable_person: SEO.JSONLD.Person.t() | map(),
      acquire_license_page:
        SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
      aggregate_rating: SEO.JSONLD.AggregateRating.t() | map(),
      alternative_headline: String.t(),
      archived_at: SEO.JSONLD.WebPage.t() | map() | URI.t() | String.t(),
      assesses: String.t() | SEO.JSONLD.DefinedTerm.t() | map(),
      associated_media: SEO.JSONLD.MediaObject.t() | map(),
      audience: SEO.JSONLD.Audience.t() | map(),
      audio:
        SEO.JSONLD.Clip.t()
        | map()
        | SEO.JSONLD.MusicRecording.t()
        | SEO.JSONLD.AudioObject.t(),
      author: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      award: String.t(),
      awards: String.t(),
      character: SEO.JSONLD.Person.t() | map(),
      citation: SEO.JSONLD.CreativeWork.t() | map() | String.t(),
      comment: SEO.JSONLD.Comment.t() | map(),
      comment_count: integer(),
      conditions_of_access: String.t(),
      content_location: SEO.JSONLD.Place.t() | map(),
      content_rating: String.t() | SEO.JSONLD.Rating.t() | map(),
      content_reference_time: DateTime.t() | NaiveDateTime.t() | String.t(),
      contributor: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      copyright_holder:
        SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      copyright_notice: String.t(),
      copyright_year: number(),
      correction:
        SEO.JSONLD.CorrectionComment.t() | map() | String.t() | URI.t(),
      country_of_origin: SEO.JSONLD.Country.t() | map(),
      creative_work_status: SEO.JSONLD.DefinedTerm.t() | map() | String.t(),
      creator: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      credit_text: String.t(),
      date_created: DateTime.t() | NaiveDateTime.t() | String.t() | Date.t(),
      date_modified: DateTime.t() | NaiveDateTime.t() | String.t() | Date.t(),
      digital_source_type:
        :algorithmic_media_digital_source
        | :algorithmically_enhanced_digital_source
        | :composite_capture_digital_source
        | :composite_digital_source
        | :composite_synthetic_digital_source
        | :composite_with_trained_algorithmic_media_digital_source
        | :data_driven_media_digital_source
        | :digital_art_digital_source
        | :digital_capture_digital_source
        | :minor_human_edits_digital_source
        | :multi_frame_computational_capture_digital_source
        | :negative_film_digital_source
        | :positive_film_digital_source
        | :print_digital_source
        | :screen_capture_digital_source
        | :trained_algorithmic_media_digital_source
        | :virtual_recording_digital_source,
      discussion_url: URI.t() | String.t(),
      display_location: SEO.JSONLD.Place.t() | map(),
      edit_eidr: String.t() | URI.t(),
      editor: SEO.JSONLD.Person.t() | map(),
      educational_alignment: SEO.JSONLD.AlignmentObject.t() | map(),
      educational_level:
        String.t() | URI.t() | SEO.JSONLD.DefinedTerm.t() | map(),
      educational_use: SEO.JSONLD.DefinedTerm.t() | map() | String.t(),
      encoding: SEO.JSONLD.MediaObject.t() | map(),
      encoding_format: String.t() | URI.t(),
      encodings: SEO.JSONLD.MediaObject.t() | map(),
      example_of_work: SEO.JSONLD.CreativeWork.t() | map(),
      file_format: String.t() | URI.t(),
      funder: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      funding: SEO.JSONLD.Grant.t() | map(),
      genre: String.t() | URI.t() | SEO.JSONLD.DefinedTerm.t() | map(),
      has_part: SEO.JSONLD.CreativeWork.t() | map(),
      headline: String.t(),
      in_language: String.t() | SEO.JSONLD.Language.t() | map(),
      interaction_statistic: SEO.JSONLD.InteractionCounter.t() | map(),
      interactivity_type: String.t(),
      interpreted_as_claim: SEO.JSONLD.Claim.t() | map(),
      is_accessible_for_free: boolean(),
      is_based_on:
        SEO.JSONLD.CreativeWork.t()
        | map()
        | SEO.JSONLD.Product.t()
        | URI.t()
        | String.t(),
      is_based_on_url:
        SEO.JSONLD.CreativeWork.t()
        | map()
        | SEO.JSONLD.Product.t()
        | URI.t()
        | String.t(),
      is_family_friendly: boolean(),
      is_part_of: SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
      keywords: SEO.JSONLD.DefinedTerm.t() | map() | String.t() | URI.t(),
      learning_resource_type: String.t() | SEO.JSONLD.DefinedTerm.t() | map(),
      license: SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
      location_created: SEO.JSONLD.Place.t() | map(),
      main_entity: SEO.JSONLD.Thing.t() | map(),
      maintainer: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      material: String.t() | SEO.JSONLD.Product.t() | map() | URI.t(),
      material_extent: SEO.JSONLD.QuantitativeValue.t() | map() | String.t(),
      mentions: SEO.JSONLD.Thing.t() | map(),
      offers: SEO.JSONLD.Offer.t() | map() | SEO.JSONLD.Demand.t(),
      pattern: SEO.JSONLD.DefinedTerm.t() | map() | String.t(),
      position: String.t() | integer(),
      producer: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      provider: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      publication: SEO.JSONLD.PublicationEvent.t() | map(),
      publisher: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      publisher_imprint: SEO.JSONLD.Organization.t() | map(),
      publishing_principles:
        SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
      recorded_at: SEO.JSONLD.Event.t() | map(),
      released_event: SEO.JSONLD.PublicationEvent.t() | map(),
      review: SEO.JSONLD.Review.t() | map(),
      reviews: SEO.JSONLD.Review.t() | map(),
      schema_version: String.t() | URI.t(),
      sd_date_published: Date.t() | String.t(),
      sd_license: URI.t() | String.t() | SEO.JSONLD.CreativeWork.t() | map(),
      sd_publisher: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      size:
        SEO.JSONLD.DefinedTerm.t()
        | map()
        | SEO.JSONLD.QuantitativeValue.t()
        | String.t(),
      source_organization: SEO.JSONLD.Organization.t() | map(),
      spatial: SEO.JSONLD.Place.t() | map(),
      spatial_coverage: SEO.JSONLD.Place.t() | map(),
      sponsor: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      teaches: SEO.JSONLD.DefinedTerm.t() | map() | String.t(),
      temporal: String.t() | DateTime.t() | NaiveDateTime.t(),
      temporal_coverage:
        String.t() | URI.t() | DateTime.t() | NaiveDateTime.t(),
      text: String.t(),
      thumbnail: SEO.JSONLD.ImageObject.t() | map(),
      thumbnail_url: URI.t() | String.t(),
      time_required: Duration.t() | String.t(),
      translation_of_work: SEO.JSONLD.CreativeWork.t() | map(),
      translator: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      typical_age_range: String.t(),
      usage_info: SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
      version: String.t() | number(),
      video: SEO.JSONLD.VideoObject.t() | map() | SEO.JSONLD.Clip.t(),
      word_count: integer(),
      work_example: SEO.JSONLD.CreativeWork.t() | map(),
      work_translation: SEO.JSONLD.CreativeWork.t() | map(),
      additional_type: String.t() | URI.t(),
      alternate_name: String.t(),
      description: SEO.JSONLD.TextObject.t() | map() | String.t(),
      disambiguating_description: String.t(),
      identifier: String.t() | URI.t() | SEO.JSONLD.PropertyValue.t() | map(),
      image: URI.t() | String.t() | SEO.JSONLD.ImageObject.t() | map(),
      main_entity_of_page:
        SEO.JSONLD.CreativeWork.t() | map() | URI.t() | String.t(),
      name: String.t(),
      owner: SEO.JSONLD.Organization.t() | map() | SEO.JSONLD.Person.t(),
      potential_action: SEO.JSONLD.Action.t() | map(),
      same_as: URI.t() | String.t(),
      subject_of: SEO.JSONLD.Event.t() | map() | SEO.JSONLD.CreativeWork.t(),
      url: URI.t() | String.t()
    ]

t()

@type t() :: %{required(String.t()) => term()}

A JSON-LD map ready to be nested or rendered. String-keyed, always includes "@type" set to "Certification", plus any camelCased field keys the caller provided (see build/1). "@context" is added at render time by SEO.JSONLD.meta/1 on the top-level node only.

Functions

build(attrs)

@spec build(attrs()) :: t()

Build a Certification JSON-LD map.

Fields

  • :about - The subject matter of an object.
  • :audit_date - Date when a certification was last audited. See also gs1:certificationAuditDate.
  • :certification_identification - Identifier of a certification instance (as registered with an independent certification body). Typically this identifier can be used to consult and verify the certification instance. See also gs1:certificationIdentification.
  • :certification_rating - Rating of a certification instance (as defined by an independent certification body). Typically this rating can be used to rate the level to which the requirements of the certification instance are fulfilled. See also gs1:certificationValue.
  • :certification_status - Indicates the current status of a certification: active or inactive. See also gs1:certificationStatus. One of: :certification_active, :certification_inactive.
  • :date_published - Date of first publication or broadcast. For example the date a SEO.JSONLD.CreativeWork was broadcast or a SEO.JSONLD.Certification was issued.
  • :expires - Date the content expires and is no longer useful or available. For example a SEO.JSONLD.VideoObject or SEO.JSONLD.NewsArticle whose availability or relevance is time-limited, a SEO.JSONLD.ClaimReview fact check whose publisher wants to indicate that it may no longer be relevant (or helpful to highlight) after some date, or a SEO.JSONLD.Certification the validity has expired.
  • :has_measurement - A measurement of an item, For example, the inseam of pants, the wheel size of a bicycle, the gauge of a screw, or the carbon footprint measured for certification by an authority. Usually an exact measurement, but can also be a range of measurements for adjustable products, for example belts and ski bindings.
  • :issued_by - The organization issuing the item, for example a SEO.JSONLD.Permit, SEO.JSONLD.Ticket, or SEO.JSONLD.Certification.
  • :logo - An associated logo.
  • :valid_from - The date when the item becomes valid.
  • :valid_in - The geographic area where the item is valid. Applies for example to a SEO.JSONLD.Permit, a SEO.JSONLD.Certification, or an SEO.JSONLD.EducationalOccupationalCredential.

Inherited properties

Additional properties are available through the inheritance chain. See each ancestor's docs for its properties: