GUI Builder
In the open window go the tab «Elements» and select the item you want to add . Press «Add», set the position of the element. Press LMB, set the size of the element. For confirm the setting item, press the LMB, to cancel - RMB. After that, configure element.

- 0 - The position and size of the element's, and you need set the size of greater than zero.
- 1 - The element name must be unique, or there might be problems with the work of the final script.
- 2 - Parameters of the element.
After placement of the elements, go to the tab «Elements», type in the field «Class Name» name of the future class (Note: In C# script name must match the class name), select the type of script and click «Save Script».