matrix-spec-proposals/api/client-server/definitions/event.yaml

properties:
  content:
    description: The content of this event. The fields in this object will vary depending
      on the type of event.
    title: EventContent
    type: object
  origin_server_ts:
    description: Timestamp in milliseconds on originating homeserver when this event
      was sent.
    format: int64
    type: integer
  sender:
    description: The MXID of the user who sent this event.
    type: string
  state_key:
    description: Optional. This key will only be present for state events. A unique
      key which defines the overwriting semantics for this piece of room state.
    type: string
  type:
    description: The type of event.
    type: string
  unsigned:
    description: Information about this event which was not sent by the originating
      homeserver
    properties:
      age:
        description: Time in milliseconds since the event was sent.
        format: int64
        type: integer
      prev_content:
        description: Optional. The previous ``content`` for this state. This will
          be present only for state events appearing in the ``timeline``. If this
          is not a state event, or there is no previous content, this key will be
          missing.
        title: EventContent
        type: object
      transaction_id:
        description: Optional. The transaction ID set when this message was sent.
          This key will only be present for message events sent by the device calling
          this API.
        type: string
    title: Unsigned
    type: object
title: Event
type: object