core + meta (Meta Extension): terms used within for schema definitions.


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Thing > Event > UserInteraction > UserComments

UserInteraction and its subtypes is an old way of talking about users interacting with pages. It is generally better to use Action-based vocabulary, alongside types such as Comment.

Usage: Between 50,000 and 100,000 domains
PropertyExpected TypeDescription
Properties from UserComments
commentText Text The text of the UserComment.
commentTime Date  or
The time at which the UserComment was made.
creator Organization  or
The creator/author of this CreativeWork. This is the same as the Author property for CreativeWork.
discusses CreativeWork Specifies the CreativeWork associated with the UserComment.
replyToUrl URL The URL at which a reply may be posted to the specified UserComment.
Properties from Event
about Thing The subject matter of the content.
actor Person An actor, e.g. in tv, radio, movie, video games etc., or in an event. Actors can be associated with individual items or with a series, episode, clip. Supersedes actors.
aggregateRating AggregateRating The overall rating, based on a collection of reviews or ratings, of the item.
attendee Organization  or
A person or organization attending the event. Supersedes attendees.
audience Audience An intended audience, i.e. a group for whom something was created. Supersedes serviceAudience.
composer Organization  or
The person or organization who wrote a composition, or who is the composer of a work performed at some event.
contributor Organization  or
A secondary contributor to the CreativeWork or Event.
director Person A director of e.g. tv, radio, movie, video gaming etc. content, or of an event. Directors can be associated with individual items or with a series, episode, clip. Supersedes directors.
doorTime DateTime The time admission will commence.
duration Duration The duration of the item (movie, audio recording, event, etc.) in ISO 8601 date format.
endDate Date  or
The end date and time of the item (in ISO 8601 date format).
eventStatus EventStatusType An eventStatus of an event represents its status; particularly useful when an event is cancelled or rescheduled.
funder Organization  or
A person or organization that supports (sponsors) something through some kind of financial contribution.
inLanguage Language  or
The language of the content or performance or used in an action. Please use one of the language codes from the IETF BCP 47 standard. See also availableLanguage. Supersedes language.
isAccessibleForFree Boolean A flag to signal that the publication is accessible for free. Supersedes free.
location Place  or
PostalAddress  or
The location of for example where the event is happening, an organization is located, or where an action takes place.
maximumAttendeeCapacity Integer The total number of individuals that may attend an event or venue.
offers Offer An offer to provide this item—for example, an offer to sell a product, rent the DVD of a movie, perform a service, or give away tickets to an event.
organizer Organization  or
An organizer of an Event.
performer Organization  or
A performer at the event—for example, a presenter, musician, musical group or actor. Supersedes performers.
previousStartDate Date Used in conjunction with eventStatus for rescheduled or cancelled events. This property contains the previously scheduled start date. For rescheduled events, the startDate property should be used for the newly scheduled start date. In the (rare) case of an event that has been postponed and rescheduled multiple times, this field may be repeated.
recordedIn CreativeWork The CreativeWork that captured all or part of this Event.
Inverse property: recordedAt.
remainingAttendeeCapacity Integer The number of attendee places for an event that remain unallocated.
review Review A review of the item. Supersedes reviews.
sponsor Organization  or
A person or organization that supports a thing through a pledge, promise, or financial contribution. e.g. a sponsor of a Medical Study or a corporate sponsor of an event.
startDate Date  or
The start date and time of the item (in ISO 8601 date format).
subEvent Event An Event that is part of this event. For example, a conference event includes many presentations, each of which is a subEvent of the conference. Supersedes subEvents.
Inverse property: superEvent.
superEvent Event An event that this event is a part of. For example, a collection of individual music performances might each have a music festival as their superEvent.
Inverse property: subEvent.
translator Organization  or
Organization or person who adapts a creative work to different languages, regional differences and technical requirements of a target market, or that translates during some event.
typicalAgeRange Text The typical expected age range, e.g. '7-9', '11-'.
workFeatured CreativeWork A work featured in some event, e.g. exhibited in an ExhibitionEvent. Specific subproperties are available for workPerformed (e.g. a play), or a workPresented (a Movie at a ScreeningEvent).
workPerformed CreativeWork A work performed in some event, for example a play performed in a TheaterEvent.
Properties from Thing
additionalType URL An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. In RDFa syntax, it is better to use the native RDFa syntax - the 'typeof' attribute - for multiple types. tools may have only weaker understanding of extra types, in particular those defined externally.
alternateName Text An alias for the item.
description Text A description of the item.
disambiguatingDescription Text No comment
identifier PropertyValue  or
Text  or
The identifier property represents any kind of identifier for any kind of Thing, such as ISBNs, GTIN codes, UUIDs etc. provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See background notes for more details.
image ImageObject  or
An image of the item. This can be a URL or a fully described ImageObject.
mainEntityOfPage CreativeWork  or
Indicates a page (or other CreativeWork) for which this thing is the main entity being described. See background notes for details.
Inverse property: mainEntity.
name Text No comment
potentialAction Action Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role.
sameAs URL URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website.
url URL URL of the item.

Available properties in extensions



This class contains derivatives of IPTC rNews properties. rNews is a data model of publishing metadata with serializations currently available for RDFa as well as HTML5 Microdata. More information about the IPTC and rNews can be found at

Schema Version 3.2