Expose k2 smartobject I usings this k2 Five ODATA Smart Onject API

Hi,

I believe there are some limitations to this such as K2 System SmartObjects and SmartObjects without List method.

(Scroll down to Considerations section)

https://help.k2.com/onlinehelp/k2five/userguide/5.0/default.htm#K2_Management_Site/Integration/SmartObjectODataService.htm

Maybe, you can also try the SmartObject Rest Services if this is an upgrade from 4.7.

https://help.k2.com/onlinehelp/k2five/DevRef/5.0/default.htm#Reference/SmO/REST-Services.html