function setProject() { app.beginUndoGroup("setProject"); var mainFolder = app.project.items.addFolder("comp"); app.project.items.addFolder("precomp"); var subFolder= app.project.items.addFolder("sourceimage"); subFolder.items.addFolder("picture"); subFolder.items.addFolder("solid"); subFolder.items.addFolder("bgm"); subFolder.items.addFolder("voice"); subFolder.items.addFolder("se"); var comp1 = mainFolder.items.addComp("master", 1280, 720, 1.0, 3.0, 30); app.project.items[2].openInViewer(); app.endUndoGroup(); } setProject();