Dynamic Mask Field Changing from Selected Pulldown Menu

Want to change your Mask fields based on a mask value when (pull down) when you select it?

This demo shows how to use the mask button callback to edit the "visibility" field of the mask parameters, essentially 'storing' the 'hidden' values of the other fields. The effect is that the fields of the mask change based on the selection of some other mask variable.

Oh yeah.. its also pretty handy dandy

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