Let's skip all the boring stuff and look at some highlights. To that end, despite being a big category, it's not a particularly interesting category. You know most of these already, though these items will deal with the effects or masks on a layer, any of the transform or 3D properties, the layer's height, width, name, and so on. Now I know this section looks intimidating, but it's not, I swear! Basically this category just lists EVERY SINGLE THING you can access on a layer- and it's a lot! Layers are a pretty big deal in AE, so it tracks that it's the single largest submenu (and submenu and submenu and submenu and.) in the whole Expression Language Menu. If you want to learn a bit more about this weird vestigial section, check out the Docs for Adobe expression reference or Adobe’s Expression language reference. To that end, as opposed to promoting use of something that will hopefully be removed from the software, we're going to skip over this category as it's an effective duplicate of the Property article. That's right - this whole section has been an outdated legacy item for the past 17 years 😲 Then in 2003 (AE v6.0), expressions gained access to dynamic properties, rendering this ENTIRE category (which basically exists just for the param() function) irrelevant. Basically:Įxpressions were added to AE back in 2001 (in version 5.0), and the Property section didn't exist at that point, so this category was added so you could access effect values. I reached out to an AE team member to ask why this category exists and what it's for, and their answer reached back (way back) into AE lore.
This category is an odd duck! Absolutely nothing in this section exists that you can't already access via the Property menu above, because Effects are-after all- just. So that was the Properties menu, but what about Effects? You'd think it should get its own article, but. Without further ado, let's look at the Property menu.
The role & history of the obsolete Effects expression language menu.Triggering actions based on how close together layers are.Softening and smoothing existing keyframes.Adding randomness to existing animation from other layers.Instead of covering ground we've seen before, let's look at a few different things with can do in this category, including a different take on our wiggly friend. Everything you deal with in your AE timeline (such as keyframes, layers, even effects!) is a property, and the same applies to the land of expressions!Ī lot of these you've seen here before - looping animation with loopIn() and loopOut(), creating motion trails using valueAtTime() by yours truly, and even generating random motion with wiggle() it really is among the most versatile expression categories.
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