Thanks, both. Further tests show a problem. Works 'as described' for PythonPalette, for which it was originally intended. Also for AnimationPalette.

But does not work with the AnimationControls panel. I suspect that what fooled me into thinking it did, for a moment, was that the script defaults to the poser.ProcessCommand - and that does work. But only by toggling Animation Controls panel on/off un-intelligently. Which was my opening problem in this thread.

I suspect the script cannot find AnimationControls because there is no such panel label. It must be one of the panels without a given PaletteById 'Palette Code', which appears to be required. The available Palette Codes are listed in the Poser manual, and there are only a few.

This missing panel label (if there is one) is not an undocumented variant either, as I tried various:

AnimationControls

AnimationControl

Animation Control

Animation_Controls

AnimationControlsPalette

etc

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