What must you do to ensure the DataTable is saved to a string variable?

To save a DataTable to a string variable, you need to utilize the Output Data Table activity. This activity is specifically designed to convert the contents of a DataTable into a string format. By doing this, you can effectively take the structured data within the DataTable and transform it into a string representation, which can then be stored in a string variable for further processing or output.

This is particularly important in RPA tasks where data needs to be formatted as text for purposes such as logging, displaying in a message box, or sending in an email. The Output Data Table activity facilitates this conversion efficiently, ensuring that the resulting string accurately reflects the contents of the original DataTable.

The other methods offered do not fulfill this requirement. The Write Data Table activity is designed for writing data back to a file or another output format, not for converting it to a string. Directly assigning a DataTable to a string variable would not work, as DataTables and strings are different data types that require specific methods for conversion. Lastly, the Read Table activity is used for reading data from a source and placing it into a DataTable, rather than converting it into a string. Therefore, using the Output Data Table activity is the correct approach to achieving the desired outcome.