message: Add Metrics Advisor API Properties.
diff: "description": "(Personalization Only) The storage account connection string.",
  "pattern": "^(( *)DefaultEndpointsProtocol=(http|https)( *);( *))?AccountName=(.*)AccountKey=(.*)EndpointSuffix=(.*)$",
  "maxLength": 1000
  + },
  + "aadClientId": {
  + "type": "string",
  + "description": "(Metrics Advisor Only) The Azure AD Client Id (Application Id).",
  + "maxLength": 500
  + },
  + "aadTenantId": {
  + "type": "string",
  + "description": "(Metrics Advisor Only) The Azure AD Tenant Id.",
  + "maxLength": 500
  + },
  + "superUser": {
  + "type": "string",
  + "description": "(Metrics Advisor Only) The super user of Metrics Advisor.",
  + "maxLength": 500
  + },
  + "websiteName": {
  + "type": "string",
  + "description": "(Metrics Advisor Only) The website name of Metrics Advisor.",
  + "maxLength": 500
  }
  },
  "description": "The api properties for special APIs."
  