Power window blur locked to key frames

I have a pen tool created power window, and over the smace of about 3-4 seconds I have keframed the window to move around with my subject, however, now I want to adjust the blur and inside parameters, it will only let me change those parameters for each key frame individually!
How can I affect those parameters for all the keyframes at once?

In tracker, chose clip for global changes instead of frame for individual changes for each key frame.

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yes! that's awesome, thanks!

In tracker, chose clip for global changes instead of frame for individual changes for each key frame.

So I tried this and it doesn't work. I'm masking out a character moving across the frame, with an alpha output to show the clip underneath. I activate the key framing, move my mask around with my character, and then go to adjust the softness and sizing, and whether I have the tracker set to clip or frame, I still have to adjust those values per frame.