How do I get the list of animations in a sprite? (this was announced in r281)

From the release notes to r281:

How do I retrieve the list of animations?

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<img src="https://boomtanium.com/construct/images/list.jpg">

boomtanium.com/construct/images/list.jpg

When you add an event, and use " Is playing" you can get the list of animations

Ashley I was excited to see "the ability to access Sprite's set of animations" in r281 release notes, I thought that meant the list of animations, not just the current one.

Will it be difficult to add something like sprite.animationCount and sprite.getAnimation(index) to the API? This would be a really useful feature. I'm working on a game with literally thousands of animations, and I often need to check if a certain animation exists from the events.