Let's say you want to make a curved interactive slider as depicted below:


And you want to make the control handle draggable but constrain it to the slider path.

We don't currently support Path Constraints in Animator, but you could try to achieve a similar effect creating a curved path animation. 

Resources:

Tip: there's also an approach outside of summonables, using the external API to control the timeline. Check out this proof of concept:  https://codepen.io/zackbrown/pen/pOKWJJ

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