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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#     http://www.apache.org/licenses/LICENSE-2.0
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type: object
title: Persistent Data Unit
description: A persistent data unit (event) for room version 12 and beyond.
example:
  $ref: "../examples/pdu_v12.json"
allOf:
  # v12 is the v11 event, but with special room ID requirements.
  - $ref: "components/pdu_base.yaml"
  - $ref: "components/auth_events_prev_events_v4.yaml"
  - $ref: "components/depth_v6.yaml"
  - $ref: "components/room_id_v12.yaml" # this is the v12 change