activity-schema.yaml

---
identifier: activity-schema
title: Activity Schema
specification_url: http://activitystrea.ms/specs/json/schema/activity-schema.html
status: draft
date: 2012-08-30

verbs:
  - name: accept
    identifier: accept
    description: Indicates that that the actor has accepted the object. For instance, a person accepting an award, or accepting an assignment.
    specification_anchor: verbs
  
  - name: access
    identifier: access
    description: Indicates that the actor has accessed the object. For instance, a person accessing a room, or accessing a file.
    specification_anchor: verbs
  
  - name: acknowledge
    identifier: acknowledge
    description: Indicates that the actor has acknowledged the object. This effectively signals that the actor is aware of the object's existence.
    specification_anchor: verbs
  
  - name: add    
    identifier: add
    description: Indicates that the actor has added the object to the target. For instance, adding a photo to an album.
    specification_anchor: verbs
  
  - name: agree    
    identifier: agree
    description: Indicates that the actor agrees with the object. For example, a person agreeing with an argument, or expressing agreement with a particular issue.
    specification_anchor: verbs
  
  - name: append
    identifier: append
    description: Indicates that the actor has appended the object to the target. For instance, a person appending a new record to a database.
    specification_anchor: verbs
  
  - name: approve
    identifier: approve
    description: Indicates that the actor has approved the object. For instance, a manager might approve a travel request.
    specification_anchor: verbs
    
  - name: archive
    identifier: archive
    description: Indicates that the actor has archived the object.
    specification_anchor: verbs
 
  - name: assign
    identifier: assign
    description: Indicates that the actor has assigned the object to the target.
    specification_anchor: verbs
    
  - name: at
    identifier: at
    description: Indicates that the actor is currently located at the object. For instance, a person being at a specific physical location.
    specification_anchor: verbs
 
  - name: attach
    identifier: attach
    description: Indicates that the actor has attached the object to the target. For instance, a person attaching a file to a wiki page or an email.
    specification_anchor: verbs
 
  - name: attend
    identifier: attend
    description: Indicates that the actor has attended the object. For instance, a person attending a meeting.
    specification_anchor: verbs

  - name: author
    identifier: author
    description: Indicates that the actor has authored the object. Note that this is a more specific form of the verb "create".
    specification_anchor: verbs
    
  - name: authorize
    identifier: authorize
    description: Indicates that the actor has authorized the object. If a target is specified, it means that the authorization is specifically in regards to the target. For instance, a service can authorize a person to access a given application; in which case the actor is the service, the object is the person, and the target is the application. In contrast, a person can authorize a request; in which case the actor is the person and the object is the request and there might be no explicit target.
    specification_anchor: verbs

  - name: borrow
    identifier: borrow
    description: Indicates that the actor has borrowed the object. If a target is specified, it identifies the entity from which the object was borrowed. For instance, if a person borrows a book from a library, the person is the actor, the book is the object and the library is the target.
    specification_anchor: verbs

  - name: build
    identifier: build
    description: Indicates that the actor has built the object. For example, if a person builds a model or compiles code.
    specification_anchor: verbs

  - name: cancel
    identifier: cancel
    description: Indicates that the actor has canceled the object. For instance, canceling a calendar event.
    specification_anchor: verbs
    
  - name: close
    identifier: close
    description: Indicates that the actor has closed the object. For instance, the object could represent a ticket being tracked in an issue management system.
    specification_anchor: verbs
          
  - name: complete
    identifier: complete
    description: Indicates that the actor has completed the object.
    specification_anchor: verbs
          
  - name: confirm
    identifier: confirm
    description: Indicates that the actor has confirmed or agrees with the object. For instance, a software developer might confirm an issue reported against a product.
    specification_anchor: verbs
              
  - name: consume
    identifier: consume
    description: Indicates that the actor has consumed the object. The specific meaning is dependent largely on the object's type. For instance, an actor may "consume" an audio object, indicating that the actor has listened to it; or an actor may "consume" a book, indicating that the book has been read. As such, the "consume" verb is a more generic form of other more specific verbs such as "read" and "play".
    specification_anchor: verbs
    
  - name: checkin
    identifier: checkin
    description: Indicates that the actor has checked-in to the object. For instance, a person checking-in to a Place.
    specification_anchor: verbs
 
  - name: create
    identifier: create
    description: Indicates that the actor has created the object.
    specification_anchor: verbs
 
  - name: delete
    identifier: delete
    description: Indicates that the actor has deleted the object. This implies, but does not require, the permanent destruction of the object.
    specification_anchor: verbs

  - name: deliver
    identifier: deliver
    description: Indicates that the actor has delivered the object. For example, delivering a package.
    specification_anchor: verbs
          
  - name: deny
    identifier: deny
    description: Indicates that the actor has denied the object. For example, a manager may deny a travel request.
    specification_anchor: verbs
          
  - name: disagree
    identifier: disagree
    description: Indicates that the actor disagrees with the object.
    specification_anchor: verbs
          
  - name: dislike
    identifier: dislike
    description: Indicates that the actor dislikes the object. Note that the "dislike" verb is distinct from the "unlike" verb which assumes that the object had been previously "liked".
    specification_anchor: verbs
      
  - name: experience
    identifier: experience
    description: Indicates that the actor has experienced the object in some manner. Note that, depending on the specific object types used for both the actor and object, the meaning of this verb can overlap that of the "consume" and "play" verbs. For instance, a person might "experience" a movie; or "play" the movie; or "consume" the movie. The "experience" verb can be considered a more generic form of other more specific verbs as "consume", "play", "watch", "listen", and "read"
    specification_anchor: verbs

  - name: favorite      
    identifier: favorite
    description: Indicates that the actor marked the object as an item of special interest.
    specification_anchor: verbs

  - name: find
    identifier: find
    description: Indicates that the actor has found the object.
    specification_anchor: verbs

  - name: flag-as-inappropriate
    identifier: flag-as-inappropriate
    description: Indicates that the actor has flagged the object as being inappropriate for some reason. When using this verb, the "context" property can be used to provide additional detail about why the object has been flagged.
    specification_anchor: verbs

  - name: follow
    identifier: follow
    description: Indicates that the actor began following the activity of the object. In most cases, the object will be a Person, but it can potentially be of any type that can sensibly generate activity. Processors MAY ignore (silently drop) successive identical "follow" activities.
    specification_anchor: verbs
    
  - name: give
    identifier: give
    description: Indicates that the actor is giving an object to the target. Examples include one person giving a badge object to another person. The object identifies the object being given. The target identifies the receiver.
    specification_anchor: verbs

  - name: host
    identifier: host
    description: Indicates that the actor is hosting the object. As in hosting an event, or hosting a service.
    specification_anchor: verbs

  - name: ignore        
    identifier: ignore
    description: Indicates that the actor has ignored the object. For instance,  this verb may be used when an actor has ignored a friend request, in which case the object may be the request-friend activity.
    specification_anchor: verbs

  - name: insert
    identifier: insert
    description: Indicates that the actor has inserted the object into the target.
    specification_anchor: verbs
          
  - name: install
    identifier: install
    description: Indicates that the actor has installed the object, as in installing an application.
    specification_anchor: verbs
          
  - name: interact
    identifier: interact
    description: Indicates that the actor has interacted with the object. For instance, when one person interacts with another.
    specification_anchor: verbs

  - name: invite
    identifier: invite
    description: Indicates that the actor has invited the object, typically a  person object, to join or participate in the object described by the target. The target could, for instance, be an event, group or a service.
    specification_anchor: verbs

  - name: join
    identifier: join
    description: Indicates that the actor has become a member of the object. This specification only defines the meaning of this verb when its object is a group, though implementors SHOULD be prepared to handle other Object types a meaning MAY be provided by extension specifications. Processors MAY ignore (silently drop) successive identical "join" activities.
    specification_anchor: verbs

  - name: leave
    identifier: leave
    description: Indicates that the actor has left the object. For instance a Person leaving a Group or checking-out of a Place.
    specification_anchor: verbs

  - name: like
    identifier: like
    description: Indicates that the actor marked the object as an item of special interest. The "like" verb is considered to be an alias of "favorite". The two verb are semantically identical.
    specification_anchor: verbs

  - name: listen
    identifier: listen
    description: Indicates that the actor has listened to the object. This is typically only applicable for objects representing audio content, such as music, an audio-book, or a radio broadcast. The "listen" verb is a more specific form of the "consume", "experience" and "play" verbs.
    specification_anchor: verbs

  - name: lose
    identifier: lose
    description: Indicates that the actor has lost the object. For instance, if a person loses a game.
    specification_anchor: verbs

  - name: make-friend
    identifier: make-friend
    description: Indicates the creation of a friendship that is reciprocated by  the object. Since this verb implies an activity on the part of its object, processors MUST NOT accept activities with this verb unless they are able to verify through some external means that there is in fact a reciprocated connection. For example, a processor may have received a guarantee from a particular publisher that the publisher will only use this Verb in cases where a reciprocal relationship exists.
    specification_anchor: verbs

  - name: open
    identifier: open
    description: Indicates that the actor has opened the object. For instance, the object could represent a ticket being tracked in an issue management system.
    specification_anchor: verbs

  - name: play
    identifier: play
    description: Indicates that the actor spent some time enjoying the object. For example, if the object is a video this indicates that the subject  watched all or part of the video.
    specification_anchor: verbs

  - name: present
    identifier: present
    description: Indicates that the actor has presented the object. For instance, when a person gives a presentation at a conference.
    specification_anchor: verbs

  - name: purchase
    identifier: purchase
    description: Indicates that the actor has purchased the object. If a target is specified, in indicates the entity from which the object was purchased.
    specification_anchor: verbs
          
  - name: qualify
    identifier: qualify
    description: Indicates that the actor has qualified for the object. If a target is specified, it indicates the context within which the qualification applies.
    specification_anchor: verbs

  - name: read
    identifier: read
    description: Indicates that the actor read the object. This is typically only applicable for objects representing printed or written content, such as a book, a message or a comment. The "read" verb is a more specific form of the "consume", "experience" and "play" verbs.
    specification_anchor: verbs

  - name: receive
    identifier: receive
    description: Indicates that the actor is receiving an object. Examples include a person receiving a badge object. The object identifies the object being received.
    specification_anchor: verbs

  - name: reject
    identifier: reject
    description: Indicates that the actor has rejected the object.
    specification_anchor: verbs

  - name: remove
    identifier: remove
    description: Indicates that the actor has removed the object from the target.
    specification_anchor: verbs

  - name: remove-friend
    identifier: remove-friend
    description: Indicates that the actor has removed the object from the collection of friends.
    specification_anchor: verbs

  - name: replace
    identifier: replace
    description: Indicates that the actor has replaced the target with the object.
    specification_anchor: verbs

  - name: request
    identifier: request
    description: Indicates that the actor has requested the object. If a target is specified, it indicates the entity from which the object is being requested.
    specification_anchor: verbs

  - name: request-friend
    identifier: request-friend
    description: Indicates the creation of a friendship that has not yet been reciprocated by  the object.
    specification_anchor: verbs

  - name: resolve
    identifier: resolve
    description: Indicates that the actor has resolved the object. For instance, the object could represent a ticket being tracked in an issue management system.
    specification_anchor: verbs
          
  - name: return
    identifier: return
    description: Indicates that the actor has returned the object. If a target is specified, it indicates the entity to which the object was returned.
    specification_anchor: verbs

  - name: retract
    identifier: retract
    description: Indicates that the actor has retracted the object. For instance, if an actor wishes to retract a previously published activity, the object would be the previously published activity that is being retracted.
    specification_anchor: verbs

  - name: rsvp-maybe
    identifier: rsvp-maybe 
    description: The "possible RSVP" verb indicates that the actor has made a possible RSVP for the object. This specification only defines the meaning of this verb when its object is an event, though implementors SHOULD be prepared to handle other object types as meaning MAY be provided by extension specifications. The use of this verb is only appropriate when the RSVP was created by an explicit action by the actor. It is not appropriate to use this verb when a user has been added as an attendee by an event organiser or administrator.
    specification_anchor: verbs

  - name: rsvp-no
    identifier: rsvp-no
    description: The "negative RSVP" verb indicates that the actor has made a negative RSVP for the object. This specification only defines the meaning of this verb when its object is an event, though implementors SHOULD be prepared to handle other object types as meaning MAY be provided by extension specifications. The use of this verb is only appropriate when the RSVP was created by an explicit action by the actor. It is not appropriate to use this verb when a user has been added as an attendee by an event organiser or administrator.
    specification_anchor: verbs

  - name: rsvp-yes
    identifier: rsvp-yes
    description: The "positive RSVP" verb indicates that the actor has made a positive RSVP for an object. This specification only defines the meaning of this verb when its object is an event, though implementors SHOULD be prepared to handle other object types as meaning MAY be provided by extension specifications. The use of this verb is only appropriate when the RSVP was created by an explicit action by the actor. It is not appropriate to use this verb when a user has been added as an attendee by an event organiser or administrator.
    specification_anchor: verbs

  - name: satisfy
    identifier: satisfy
    description: Indicates that the actor has satisfied the object. If a target is specified, it indicate the context within which the object was satisfied. For instance, if a person satisfies the requirements for a particular challenge, the person is the actor; the requirement is the object; and the challenge is the target.
    specification_anchor: verbs

  - name: save
    identifier: save
    description: Indicates that the actor has called out the object as being of interest primarily to him- or herself. Though this action MAY be shared publicly, the implication is that the object has been saved  primarily for the actor's own benefit rather than to show it to  others as would be indicated by the "share" verb.
    specification_anchor: verbs

  - name: schedule
    identifier: schedule
    description: Indicates that the actor has scheduled the object. For instance, scheduling a meeting.
    specification_anchor: verbs
          
  - name: search
    identifier: search
    description: Indicates that the actor is or has searched for the object. If a target is specified, it indicates the context within which the search is or has been conducted.
    specification_anchor: verbs
          
  - name: sell
    identifier: sell
    description: Indicates that the actor has sold the object. If a target is specified, it indicates the entity to which the object was sold.
    specification_anchor: verbs
          
  - name: send
    identifier: send
    description: Indicates that the actor has sent the object. If a target is specified, it indicates the entity to which the object was sent.
    specification_anchor: verbs

  - name: share
    identifier: share
    description: Indicates that the actor has called out the object to readers. In most cases, the actor did not create the object being shared, but is instead drawing attention to it.
    specification_anchor: verbs

  - name: sponsor
    identifier: sponsor
    description: Indicates that the actor has sponsored the object. If a target is specified, it indicates the context within which the sponsorship is offered. For instance, a company can sponsor an event; or an individual can sponsor a project; etc.
    specification_anchor: verbs
          
  - name: start
    identifier: start
    description: Indicates that the actor has started the object. For instance, when a person starts a project.
    specification_anchor: verbs

  - name: stop-following
    identifier: stop-following
    description: Indicates that the actor has stopped following the object.
    specification_anchor: verbs

  - name: submit
    identifier: submit
    description: Indicates that the actor has submitted the object. If a target is specified, it indicates the entity to which the object was submitted.
    specification_anchor: verbs

  - name: tag
    identifier: tag
    description: Indicates that the actor has identified the presence of a target inside another object. For example, the actor may have specified that a particular user appears in a photo. The target of the "tag" verb gives the object in which the tag has been added. For example, if a user appears in a photo, the object is the user and the target is the photo.
    specification_anchor: verbs

  - name: terminate
    identifier: terminate
    description: Indicates that the actor has terminated the object. 
    specification_anchor: verbs
          
  - name: tie
    identifier: tie
    description: Indicates that the actor has neither won or lost the object. This verb is generally only applicable when the object represents some form of competition, such as a game.
    specification_anchor: verbs

  - name: unfavorite
    identifier: unfavorite
    description: Indicates that the actor has removed the object from the collection of favorited items.
    specification_anchor: verbs
 
  - name: unlike
    identifier: unlike
    description: Indicates that the actor has removed the object from the collection of liked items.
    specification_anchor: verbs

  - name: unsatisfy
    identifier: unsatisfy
    description: Indicates that the actor has not satisfied the object. If a target is specified, it indicates the context within which the object was not satisfied. For instance, if a person fails to satisfy the requirements of some particular challenge, the person is the actor; the requirement is the object and the challenge is the target.
    specification_anchor: verbs
 
  - name: unsave
    identifier: unsave
    description: Indicates that the actor has removed the object from the collection of saved items.
    specification_anchor: verbs

  - name: unshare
    identifier: unsahre
    description: Indicates that the actor is no longer sharing the object. If a target is specified, it indicates the entity with whom the object is no longer being shared.
    specification_anchor: verbs

  - name: update
    identifier: update
    description: The "update" verb indicates that the actor has modified the object. Implementors SHOULD use verbs such as "post" where the actor is adding new items to a collection or similar. Update is reserved for modifications to existing object or data such as changing a user's profile information.
    specification_anchor: verbs

  - name: use
    identifier: use
    description: Indicates that the actor has used the object in some manner.
    specification_anchor: verbs
          
  - name: watch
    identifier: watch
    description: Indicates that the actor has watched the object. This verb is typically applicable only when the object represents dynamic, visible content such as a movie, a television show or a public performance. This verb is a more specific form of the verbs "experience", "play" and "consume".
    specification_anchor: verbs
          
  - name: win
    identifier: win
    description: Indicates that the actor has won the object. This verb is typically applicable only when the object represents some form of competition, such as a game.
    specification_anchor: verbs


object_types:

  - name: Alert
    identifier: alert
    description: Any kind of significant notification.
    specification_anchor: object-types

  - name: Application
    identifier: application
    description: A software application
    specification_anchor: object-types

  - name: Article
    identifier: article
    description: An article, such as a news article, knowledge base entry or similar construct
    specification_anchor: object-types

  - name: Audio
    identifier: audio
    description: An item of audio content
    specification_anchor: object-types

  - name: Badge
    identifier: badge
    description: A badge or award given to an entity
    specification_anchor: object-types

  - name: Binary
    identifier: binary
    description: Objects of this type are used to carry arbirary Base64-encoded binary data within an Activity Stream object. It is primarily intended to attach binary data to other types of objects through the use of the "attachments" property.
    specification_anchor: object-types

  - name: Bookmark
    identifier: bookmark
    description: A pointer to a URL
    specification_anchor: object-types

  - name: Collection
    identifier: collection
    description: A generic collection of objects of any type.
    specification_anchor: object-types

  - name: Comment
    identifier: comment
    description: A textual response to another object
    specification_anchor: object-types
    
  - name: Device
    identifier: device
    description: A device of any type
    specification_anchor: object-types
    
  - name: Event
    identifier: event
    description: An event that occurs in a certain place during a particular interval of time
    specification_anchor: object-types

  - name: File
    identifier: file
    description: A document or other file with no additional machine-readable semantics
    specification_anchor: object-types

  - name: Game
    identifier: game
    description: A game or competition of any kind

  - name: Group
    identifier: group
    description: A social networking group
    specification_anchor: object-types

  - name: Image
    identifier: image
    description: A graphical image
    specification_anchor: object-types

  - name: Issue
    identifier: issue
    description: Represents a report about a problem or situation that needs to be resolved. For instance, the issue object can be used to represent reports detailing software defects, or reports of acceptable use violations, and so forth.
    specification_anchor: object-types

  - name: Job
    identifier: job
    description: A job or job posting.
    specification_anchor: object-types

  - name: Link
    identifier: link
    description: A link to another resource
    specification_anchor: link-objects

  - name: Note
    identifier: note
    description: A short-form text message
    specification_anchor: object-types
    
  - name: Offer
    identifier: offer
    description: An offer of any kind
    specification_anchor: object-types

  - name: Organization
    identifier: organization
    description: An organization of any kind
    specification_anchor: object-types
  
  - name: Page
    identifier: page
    description: Represents an area, typically a web page, that is representative of, and generally managed by a particular entity. Such areas are usually dedicated to displaying descriptive information about the entity and showcasing recent content such as articles, photographs and videos. Most social networking applications, for example, provide individual users with their own dedicated "profile" pages. Several allow similar types of pages to be created for commercial entities, organizations or events. While the specific details of how pages are implemented, their characteristics and use may vary, the one unifying property is that they are typically "owned" by a single entity that is represented by the content provided by the page itself.
    specification_anchor: object-types

  - name: Person
    identifier: person
    description: A user account
    specification_anchor: object-types

  - name: Place
    identifier: place
    description: A location on Earth. 
    specification_anchor: object-types

  - name: Process
    identifier: process
    description: Represents any form of process. For instance, a long-running task that is started and expected to continue operating for a period of time.
    specification_anchor: object-types

  - name: Product
    identifier: product
    description: A commercial good or service
    specification_anchor: object-types

  - name: Question
    identifier: question
    description: A question or poll
    specification_anchor: object-types

  - name: Review
    identifier: review
    description: A primarily prosed-based commentary on another object
    specification_anchor: object-types

  - name: Service
    identifier: service
    description: Something that provides a service to others
    specification_anchor: object-types
  
  - name: Task
    identifier: task
    description: An activity that has yet to be completed.
    specification_anchor: object-types

  - name: Video
    identifier: video
    description: An item of video content
    specification_anchor: object-types

activity_components:

  - name: Context
    description: An object construct that provides information about why an activity occurred by describing the context within which it occurred.
    specification_anchor: context
    json:
      property_name: context
      specification_anchor: context
  
  - name: Result
    description: An object construct that describes the result of an activity.
    specification_anchor: result
    json:
      property_name: result
      specification_anchor: result
  
  - name: Start-Time
    description: A timestamp indicating the date and time at which the activity was started.
    specification_anchor: startEndTime
    json:
      property_name: startTime
      specification_anchor: startEndTime
      
  - name: End-Time
    description: A timestamp indicating the date and time at which the activity ended.
    specification_anchor: startEndTime
    json:
      property_name: endTime
      specification_anchor: startEndTime

  - name: Location
    description: An object construct representing the location at which the activity occurred.
    specification_anchor: location
    json:
      property_name: location
      specification_anchor: location

  - name: Mood
    description: A human-readable keyword or short phrase describing the mood of the actor at the time the activity was performed.
    specification_anchor: mood-property
    json:
      property_name: mood
      specification_anchor: mood-property

  - name: Rating
    description: A rating given as a number between 1.0 and 5.0 inclusive with one decimal place of precision. 
    specification_anchor: rating-property
    json:
      property_name: rating
      specification_anchor: rating-property

  - name: Source
    description: A reference to the original source of an object or activity.
    specification_anchor: source
    json:
      property_name: source
      specification_anchor: source

  - name: Tags
    description: A listing of the objects that have been associated with a particular object using the tag verb.
    specification_anchor: tags-property
    json:
      property_name: tags
      specification_anchor: tags-property
      
  - name: Dublin Core
    description: Dublin Core Metadata related to the object (http://dublincore.org)
    specification_anchor: dc
    json:
      property_name: dc
      specification_anchor: dc
  
  - name: GeoJSON
    description: GeoJSON Metadata related to the object (http://www.geojson.org/geojson-spec.html)
    specification_anchor: geojson
    json:
      property_name: geojson
      specification_anchor: geojson
    
  - name: Linked Data for JSON
    description: JSON-LD Metadata related to the object (http://json-ld.org)
    specification_anchor: ld
    json:
      property_name: ld
      specification_anchor: ld
    
  - name: Links
    description: Links associated with the object
    specification_anchor: links
    json:
      property_name: links
      specification_anchor: links
  
  - name: OData
    description: OData Metadata related to the object (http://www.odata.org)
    specification_anchor: odata
    json:
      property_name: odata
      specification_anchor: odata
    
  - name: OpenGraph
    description: OpenGraph Metadata related to the object (http://developers.facebook.com/docs/opengraph)
    specification_anchor: opengraph
    json:
      property_name: opengraph
      specification_anchor: opengraph
  
  - name: Schema.org
    description: Schema.org Metadata related to the object (http://schema.org)
    specification_anchor: schema_org
    json:
      property_name: schema_org
      specification_anchor: schema_org

object_components:

  - name: Start-Time
    description: A timestamp indicating the date and time at which the object was started.
    specification_anchor: startEndTime
    json:
      property_name: startTime
      specification_anchor: startEndTime
      
  - name: End-Time
    description: A timestamp indicating the date and time at which the object ended.
    specification_anchor: startEndTime
    json:
      property_name: endTime
      specification_anchor: startEndTime

  - name: Location
    description: An object construct representing the location at which the activity occured.
    specification_anchor: location
    json: 
      property_name: location
      specification_anchor: location

  - name: Mood
    description: A human-readable keyword or short phrase describing the mood of the actor at the time the activity was performed.
    specification_anchor: mood-property
    json:
      property_name: mood
      specification_anchor: mood-property

  - name: Rating
    description: A rating given as a number between 1.0 and 5.0 inclusive with one decimal place of precision. 
    specification_anchor: rating-property
    json: 
      property_name: rating
      specification_anchor: rating-property

  - name: Source
    description: A reference to the original source of an object or activity.
    specification_anchor: source
    json:
      property_name: source
      specification_anchor: source

  - name: Tags
    description: A listing of the objects that have been associated with a particular object using the tag verb.
    specification_anchor: tags-property
    json:
      property_name: tags
      specification_anchor: tags-property
      
  - name: Dublin Core
    description: Dublin Core Metadata related to the object (http://dublincore.org)
    specification_anchor: dc
    json:
      property_name: dc
      specification_anchor: dc
  
  - name: GeoJSON
    description: GeoJSON Metadata related to the object (http://www.geojson.org/geojson-spec.html)
    specification_anchor: geojson
    json:
      property_name: geojson
      specification_anchor: geojson
    
  - name: Linked Data for JSON
    description: JSON-LD Metadata related to the object (http://json-ld.org)
    specification_anchor: ld
    json:
      property_name: ld
      specification_anchor: ld
    
  - name: Links
    description: Links associated with the object
    specification_anchor: links
    json:
      property_name: links
      specification_anchor: links
  
  - name: OData
    description: OData Metadata related to the object (http://www.odata.org)
    specification_anchor: odata
    json:
      property_name: odata
      specification_anchor: odata
    
  - name: OpenGraph
    description: OpenGraph Metadata related to the object (http://developers.facebook.com/docs/opengraph)
    specification_anchor: opengraph
    json:
      property_name: opengraph
      specification_anchor: opengraph
  
  - name: Schema.org
    description: Schema.org Metadata related to the object (http://schema.org)
    specification_anchor: schema_org
    json:
      property_name: schema_org
      specification_anchor: schema_org


collection_components:
  
  - name: itemsAfter
    description: A timestamp indicating that the items array contains only items published or updated after the date and time specified.
    specification_anchor: multipage-collections
    json:
      property_name: itemsAfter
      specification_anchor: multipage-collections
    
  - name: itemsBefore
    description: A timestamp indicating that the items array contains only items published or updated before the date and time specified.
    specification_anchor: multipage-collections
    json:
      property_name: itemsBefore
      specification_anchor: multipage-collections
  
  - name: itemsPerPage
    description: A non-negative integer specifying the maximum number of objects that will be included in the value of the items property.
    specification_anchor: multipage-collections
    json:
      property_name: itemsPerPage
      specification_anchor: multipage-collections

  - name: links
    description: Collection of links connecting this collection object to the other collection objects containing additional items that can be considered members of the collection.
    specification_anchor: multipage-collections
    json:
      property_name: links
      specification_anchor: multipage-collections
          
  - name: startIndex
    description: A non-negative integer value identifying the relative position within the collection of the first object contained in the items property. For instance, if there are 20 items that are considered to be members of a collection, but only the last 10 of those items are serialized within the value of the items property, the value of startIndex would be 10.
    specification_anchor: multipage-collections
    json:
      property_name: startIndex
      specification_anchor: multipage-collections