{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "schema:EmailMessage",
  "title": "EmailMessage",
  "description": "An email message.",
  "type": "object",
  "allOf": [
    {
      "description": "A single message from a sender to one or more organizations or people.",
      "$ref": "schema:Message"
    }
  ]
}