# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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type: object
title: Persistent Data Unit
description: |-
  A persistent data unit (event) for room versions 4, 5, 6, 7, 8, 9 and 10.
example:
  $ref: "../examples/pdu_v4.json"
allOf:
  - $ref: "components/pdu_base.yaml"
  - $ref: "components/auth_events_prev_events_v4.yaml"
  - $ref: "components/room_id_before_v12.yaml"
  - type: object
    properties:
      redacts:
        type: string
        description: For redaction events, the ID of the event being redacted.
        example: "$def_456-oldevent"
      depth:
        type: integer
        description: |-
          The maximum depth of the `prev_events`, plus one. Must be less than the
          maximum value for an integer (2^63 - 1). If the room's depth is already at
          the limit, the depth must be set to the limit.
        example: 12