Exports the whole menu structure as tree or flat list in JSON format.
|name||String||The value of name attribute of the Menu directive|
|fields (optional)||Array||A list of all field names of item object that you want to export to JSON|
|flat (optional)||Boolean||Determines whether exported data is in tree or flat format.|
|spacing (optional)||String||A string that determines the space between objects in exported JSON|
Returns a String in JSON format that reperesents the exported data of the Menu.
This method is part of IntegralUIMenuService.
Supported in: v1.0.