Loads the web-to-print editor.
The iframe element to place the editor to.
The product to load into the editor. You can configure the product through an IProductDefinition instance or construct it from one or more states. For the latter option you need to pass an array of strings (or a single string) that contains product stateIds previously returned by the Editor.finishProductDesign or Editor.saveProduct methods.
A function that handles the first product launch. See the The Product Loading Screen topic for details.