TestComplete shows this message when you click 
Record on the Keyword Test editor toolbar that has a non-empty test opened.
To add the recorded operations to the end of your keyword test, click Add To End.
To add the recorded operations to the keyword test after the operation that is currently selected in the test editor, click Add To Current Position. If no operation is selected, the recorded operations will be added to the end of your keyword test.
To create a new empty keyword test and add the recorded operations to it, click Record New Test.
To close the dialog without starting recording, click the Close button in the dialog title bar.