{
  "type": "string",
  "pattern": "[\\u0020-\\u00FF]+",
  "maxLength": 256,
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "name": "ExternalUserName",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-workmail/refs/heads/main/json-structure/workmail-external-user-name-structure.json",
  "description": "ExternalUserName schema from Amazon WorkMail API"
}