Writing data row into csv

Hello Guys
Please Help me urgently
I have a data row and i need to write it to a csv but I cant as it request data table not data row i tried to build data table and add this data row i have recieved an error saying Add Data Row: This row already belongs to another table.
Please Help

HI @Dina.abdelhakam

Use the Invoke Method activity to add the row to the data table.

Set the method name as “ImportRow” and pass the data row as the input along with the target as your data table.

please give me more steps
I have a data row and data table I want to write this data row to data table so please clarify how can I do this