User Pools Mfa Option Type Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-cognito/refs/heads/main/json-structure/user-pools-mfa-option-type-structure.json",
  "name": "MFAOptionType",
  "description": " <i>This data type is no longer supported.</i> Applies only to SMS multi-factor authentication (MFA) configurations. Does not apply to time-based one-time password (TOTP) software token MFA configurations.",
  "type": "object",
  "properties": {
    "DeliveryMedium": {
      "allOf": [
        {
          "$ref": "#/components/schemas/DeliveryMediumType"
        },
        {
          "description": "The delivery medium to send the MFA code. You can use this parameter to set only the <code>SMS</code> delivery medium value."
        }
      ]
    },
    "AttributeName": {
      "allOf": [
        {
          "$ref": "#/components/schemas/AttributeNameType"
        },
        {
          "description": "The attribute name of the MFA option type. The only valid value is <code>phone_number</code>."
        }
      ]
    }
  }
}