message: Add missing alert detais fields
diff: "overridingAlert": {
  "description": "overriding alert",
  "type": "string"
  + },
  + "departmentName": {
  + "description": "department name",
  + "type": "string"
  + },
  + "companyName": {
  + "description": "company name",
  + "type": "string"
  + },
  + "enrollmentNumber": {
  + "description": "enrollment number",
  + "type": "string"
  + },
  + "enrollmentStartDate": {
  + "description": "datetime of enrollmentStartDate",
  + "type": "string"
  + },
  + "enrollmentEndDate": {
  + "description": "datetime of enrollmentEndDate",
  + "type": "string"
  + },
  + "invoicingThreshold": {
  + "description": "invoicing threshold",
  + "type": "number",
  + "format": "decimal"
  }
  }
  },
  