All Files Creating Functions You can create function curves in several different ways. You cannot create function curves directly in the Xsheet view. You must do this in the Layer Properties window or the Timeline view. How to create the function curve in the Timeline view In the Timeline view, expand the layer's parameters. Click the Function button and, in the drop-down menu, select Create Bezier. How to create function curves using the Layer Properties view In the Timeline view, double-click on the layer you want to create function curves for. The Layer Properties Editor opens. In the Transformation tab, click the Function Arrow button beside the local function information. Create a 3D Path, Bezier, or Velobased curve. You can click the Function button to open the Function editor.