player/js/utils/expressions/Expressions.js

var Expressions = (function(){
    var ob = {};
    ob.initExpressions = initExpressions;


    function initExpressions(animation){
        animation.renderer.compInterface = CompExpressionInterface(animation.renderer);
        animation.renderer.globalData.projectInterface.registerComposition(animation.renderer);
    }
   return ob;
}());

expressionsPlugin = Expressions;