an ActivityPub behavior
id
uuid
cc3f730a-37a9-4af9-948f-7c8a0b7f6c41
name
content
actor objects must have an inbox property
origin

The origin of a normative behavior is where it originated, e.g. normative language in a protocol specification.

origin.source
https://www.w3.org/TR/activitypub/
origin.section
origin.selector.exact
Actor objects MUST have, in addition to the properties mandated by 3.1 Object Identifiers, the following properties: inbox A reference to an [ActivityStreams] OrderedCollection comprised of all the messages received by the actor; see 5.2 Inbox.
in context
4.1 Actor objects Actor objects MUST have, in addition to the properties mandated by 3.1 Object Identifiers, the following properties: inbox A reference to an [ActivityStreams] OrderedCollection comprised of all the messages received by the actor; see 5.2 Inbox. outbox An [ActivityStreams] OrderedCollection comprised of all the messages produced by the actor; see 5.1 Outbox.
https://www.w3.org/TR/activitypub/
JSON
{
  "type": "Behavior",
  "uuid": "cc3f730a-37a9-4af9-948f-7c8a0b7f6c41",
  "content": "actor objects must have an inbox property",
  "origin": {
    "source": "https://www.w3.org/TR/activitypub/",
    "section": {
      "id": "https://www.w3.org/TR/activitypub/#actor-objects",
      "branch": [
        4,
        1
      ]
    },
    "selector": {
      "type": "TextQuoteSelector",
      "exact": "Actor objects MUST have, in addition to the properties mandated by 3.1 Object Identifiers, the following properties:\ninbox\n  A reference to an [ActivityStreams] OrderedCollection comprised of all the messages received by the actor; see 5.2 Inbox. \n",
      "prefix": "4.1 Actor objects\n",
      "suffix": "outbox\n  An [ActivityStreams] OrderedCollection comprised of all the messages produced by the actor; see 5.1 Outbox.\n"
    }
  }
}