{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-comprehend/refs/heads/main/json-structure/openapi.yml-mask-character-structure.json",
  "name": "MaskCharacter",
  "description": "MaskCharacter schema",
  "type": "string",
  "pattern": "[!@#$%&*]",
  "minLength": 1,
  "maxLength": 1
}