You can add a marker at any position in your project in Logic Pro for iPad. You can move markers, adjust their lengths, and rename them. You can also set the cycle area in the ruler to a marker. If you no longer want to use markers in your project, you can delete them.
In the Logic Pro Marker track, place the playhead at the position where you want to create a marker, then tap the Add Marker button 
.
In the Marker track in Logic Pro, do one of the following:
Touch and hold a marker and drag it left or right to a new position.
Tap a marker to select it, tap the Inspector button 
in the view control bar, then drag the Position values up or down or tap a Position value and edit it in the numeric input dialog.
Note: The increments by which markers can be moved in the Marker track depend on the setting in the Snap pop-up menu.
In the Marker track in Logic Pro, tap a marker to select it, then do one of the following:
Drag the left or right edge of the marker to change the length.
Tap the Inspector button in the view control bar, then drag the Length values up or down or tap a Length value and edit it in the numeric input dialog.
Markers cannot overlap. Dragging the front of a marker over the previous marker automatically shortens the previous marker.
In the Marker track in Logic Pro, tap a marker to select it.
Tap the Inspector button in the view control bar.
Enter a new name in the Marker Name field.
In the Marker track in Logic Pro, double-tap a marker, then do one of the following:
Tap Set Cycle to set the cycle area to the length of the marker.
Tap Set Cycle Rounded to set the cycle area to the nearest bars at the beginning and at the end of the marker.
In the Marker track in Logic Pro, double-tap the marker, then tap Delete.
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