---
allOf:
  - $ref: core-event-schema/event.yaml

description: |-
  Sends the ephemeral public key for a device to the partner device.
properties:
  content:
    properties:
      transaction_id:
        type: string
        description: |-
          Required when sent as a to-device message. An opaque identifier for
          the verification process. Must be the same as the one used for the
          `m.key.verification.start` message.
      key:
        type: string
        description: |-
          The device's ephemeral public key, encoded as unpadded base64.
      m.relates_to:
        $ref: m.key.verification.m.relates_to.yaml
    required:
      - key
    type: object
  type:
    enum:
      - m.key.verification.key
    type: string
type: object
