In the main window, select the audio regions you want to convert.
Control-click any selected region, then choose Convert > Convert to new Sampler Track (or use the default key command: Control-E).
In the dialog, choose Create Zones From Regions or Create Zones From Transient Markers.
In the Instrument Name field, enter your text.
Set the trigger note range in one of the following ways:
Play a low key on your MIDI keyboard to set the low note of the trigger range. Play a second key to set the top note of the trigger range.
Choose a low and high note from the Trigger Note Range pop-up menus.
Click OK to create a new sampler instrument and track, or click Cancel if you change your mind.
Download the guides:
Logic Pro User Guide: PDF
Logic Pro Effects: PDF