Changing save file name and directory
This page tells you about changing the save and load file name and directory
To change the file name of your save and load file, use this method in your main class
String filename;
File filedirectory;
DynamicHUD.setFilename(filename);
DynamicHUD.setFileDirectory(filedirectory);
The default file name is widgets.nbt
and file directory is
FabricLoader.getInstance().getConfigDir().toFile()