To begin, select Object -> Record Audio, or click the button next to the Sound Library button on the tool bar and select Record Audio.

Select the audio device and input channel to capture from. Type in a file name for the recording, and click the destination folder browse button if you want to save somewhere other than the default folder.

Click the Record button to start recording. The duration of the recording and the current audio level are shown. Click the Stop button to stop recording and add the recorded file to the current project. To record additional clips, click Record again.

When you are finished recording audio clips, click Close to close the dialog.