# Merge Data Table

> `UiPath.Core.Activities.MergeDataTable`

`UiPath.Core.Activities.MergeDataTable`

Merges the Destination with the Source, indicating whether to preserve changes and how to handle missing schema in the Source.

## Project compatibility

**Windows - Legacy** | **Windows** | **Cross-platform**

## Cross - Platform Configuration

* **Source Data Table** - The DataTable object to be added to the destination DataTable.
* **Destination Data Table** - The DataTable object to which the source DataTable object is merged.

**Properties**
* **Missing Schema Action** - Specifies the action to take when merging the two DataTables. The options are:
  + **Add**
  + **Ignore**
  + **Error**
  + **AddWithKey**

## Windows, Windows - Legacy Configuration

#### **Properties**

* **DisplayName** - The display name of the activity.
* **Destination** - The DataTable object to which the source DataTable is merged.
* **MissingSchemaAction** - Specifies the action to take if there are schema issues when merging the two DataTables.
* **Source** - The DataTable object to be added to the destination DataTable.
* **Private** - If selected, the values of variables and arguments are no longer logged at Verbose level.

## Example of using the Merge Data Table activity

[Here](https://docs.uipath.com/activities/other/latest/workflow/manipulate-tables) you can see how the **Merge Data Table** activity is used in an example that incorporates multiple activities.