To test the operation of your form design with LiveCycle Forms ES and to set up command buttons accurately in a form design, you need to know the URL that will be associated with requests to LiveCycle Forms ES. The developer of the custom application will know the URL.To preview an HTML form, you must make the form design available to LiveCycle Forms ES so that LiveCycle Forms ES can store the form design. Afterward, you can request the form through the URL that is associated with LiveCycle Forms ES. Use a web browser or one of the target client applications (such as a screen reader) to open the form.