Apple Motion 4 - Manual (Page 577)

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Shift-click the keyframes you want to select.
If only the curve (and not
the keyframes) appears
white, the keyframes are
not selected.
Selected keyframes
appear white.
Once you have the keyframes selected, you can cut or copy them to move them to the
Clipboard.
To copy selected keyframes
µ
Choose Edit > Copy (or press Command-C).
To cut selected keyframes
µ
Choose Edit > Cut (or press Command-X).
To paste your selected keyframes, you must select both the parameter you want to paste
to, and the place in time where you want the pasted keyframes to begin.
To paste keyframes
1 Select the destination parameter in the parameter list (on the left side of the Keyframe
Editor).
2 Place the playhead at the point in time where you want the keyframes to begin.
3 Choose Edit > Paste (or press Command-V).
Note: Pasted keyframes may not make an identical-looking curve to the original if the
parameter scales are different.
577 Chapter 10 Keyframes and Curves