Mel - Maya Embedded Language

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Expressions

Expressions What is an expression
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Expressions
Espressions are simply runtime MEL commands that animate pretty much any given attribute in maya. This can be looked at as procedural animation. Animation with little to no user intervention and no . To activate an expression open the expression editor

Windows / Animation Editors / Expression Editor

I find it useful to name your expressions when creating them. Maya by default will give them the name expression1, expression2, etc... If you are using a vast amount of expressions this could get a little hairy when trying to edit a specific expression.

Select Select Filter switch this to by expression name.

This will show you all of the expression your maya project currently hold. I find is useful to turn this on when starting to write an expression if you use the default by object/attribute name maya has a tendency to erase your expression if you have an error in it.