Every change (add/delete/modify) to the Message, either via User manually update or System update via File Scan, will create a record in the Message History table. This not only service as audit purpose, it also can be used to restored the data to any point of past time.
This function is used to search message history. Click the "Message History" in the left navigation menu under Alert management, a new "Message History" Tab folder will created in the right panel. There are 2 sub-Tab folders, Search Batch Message History and Search result Batch Message History.

| HistoryId | Unique record identifier. |
| MessageId | Link to message. |
| AlertId | Link to Alerts, if this is a change to the Alerts table. It will be empty is the change is to Message table. |
| Filed Name | Name of Field. |
| New Value | The new value of this field |
| ChangeDate | Date and time that changes occurred. |
| Changer | User who made the change. |
| Table Name | Either Messages or Alerts. |
| AND and OR | Select AND radio box if you want those criteria add together. Select OR radio box if you want to get the result of either criteria meet |

The top part is the table, shows the list of the batch message (alert) that meet the search criteria. The bottom part is the details of the selected entry. There is no create/update/delete function in Message History