---

url: /2/dm_conversations/with/:participant_id/messages
method: post
paths:
  - name: participant_id
    type: string
body:
  type: object
  properties:
    - name: attachments
      type: array
      items:
        type: object
        properties:
          - name: media_id
            type: string
            required: true
    - name: text
      type: string
response:
  type: object
  properties:
    data:
      type: object
      properties:
        dm_conversation_id:
          type: string
        dm_event_id:
          type: string