The Part box includes symbols such as accents, fermatas, phrasing marks, bow markings, and others that apply to a single note, over which the symbol appears. (Trills are in a separate section).
The Part box is available when Show Advanced Tools is selected in Logic Pro Advanced preferences.
If the Accents section of the Part box isn’t visible, click the Accents button in the Part box.
Do one of the following:
To add a symbol to a single note: Drag a symbol from the Part box onto the note.
To add symbols to multiple notes: Select multiple notes, then drag a symbol from the Part box onto the selected notes.